Visim physics

How much does the measured final temperature differ from the theoretically predicted final temperature (in degrees)?

How much does the measured final temperature differ from the theoretically predicted final temperature (in degrees)?

How much water (colder water) was there in the beginning?

What was the temperature of the hotter water at the beginning?

Specify the specific heat capacity of copper.

Specify the thermal efficiency of the kettle.

Determine the highest and lowest temperature of the day and also temperature at the moment of measurement.

Determine the coefficient of linear thermal expansion of the metal tube. What metal the tube could be?

Determine the coefficient of linear thermal expansion of the metal tube. What metal the tube could be?

Define the oscillation time of the pendulum.

Define the frequency of the pendulum.

Study how the amplitude of the motion affects to the oscillation time.

Investigate the effect of the pendulum length on the oscillation time. Present the results graphically and determine from the graphical representation of the pendulum length when the oscillation time is 1 sec.

Investigate the oscillation time of a spring effected by different mass. Show the results graphically and determine from the graph of the mass when the oscillation time of the spring is 1 s.

How much is the measured oscillation time different from the predicted time (in seconds and percentages) of the math pendulum?

Define the value of the force constant k of the spring.

Specify the value of the force constant k of the spring.

Specify the value of the force constant k of the spring.

Determine the critical angle of the total reflection.

Specify the index of refraction of glass with the critical angle of the total internal reflection.

Specify the index of refraction of glass.

Define the index of refraction of glass.

In the video, the light of the laser hits the diffraction grating. How many slits per millimeter can the diffraction grating contain.

Determine the length of the spring when there isn’t any mass suspended from it.

Define the mass of an unknown object.

Determine the value of acceleration due to gravity g with different lengths of a pendulum.

Determine the position of the spring’s head as a function of time.

Determine the speed of the sound. (Note: Video contains audio).

Determine the damping ratio (constant that describes the strength of the damping force), damping factor, natural frequency, angular frequency of the harmonic oscillator, and the frequency and angular frequency of the damped oscillator.

Compare the measured and calculated resonance frequency of the forced oscillator. Also determine the spring constant k of the spring and viscous damping coefficient. Use the values specified in Exercise 2.7 A.

Specify the frequency of the sound generator. (Note: Video contains audio)

Investigate the effect of the depth of the tube head on the height of the water columns. Show the results graphically. Which conclusions can you draw from the results?

Explore the dependence of gas volume and pressure on a graphical representation.

How much pressure was in the balloon? The red liquid in the tube is water.

Is the pressure in the tire according to the manufacturer's recommendations?

How big is the volume of a body?

How big is the volume of a body?

How big is the volume of a body?

How big is the volume of a body?

Specify the buoyant force.

Specify buoyant force acting on a body.

Specify the buoyant force.

In which liquid does the object have a greater buoyant?

Specify the density of a body? What kind of material is the body made of?

Specify the density of a body. What material could the body be?

Specify the density of a body. What kind of material is the body made of?

Specify the density of a body.

Determine the density of the liquid and the mass of the buret.

Determine the density of the weights. What material could the weight be?

Determine the density of the unknown liquid.

Specify the velocity of the puck.

Specify the velocity of the bandy ball.

Specify the velocity of the tennis ball.

Specify the velocity of the frisbee.

Determine velocity of the bubble.

Find out at what angle the speed of a bubble is the greatest? Show the results graphically.

Determine the acceleration in free fall.

Determine the acceleration of the rolling body.

Determine the acceleration of the rolling body.

In what direction is the elevator going? Also specify the maximum acceleration of the elevator at the beginning and in the end.

In what direction is the elevator going? Also specify the maximum acceleration of the elevator at the beginning and in the end.

How much tension is there in the wire when the body is moving?

Determine the mass of the yellow metal weight.

What is the average force exerted to the puck by the stick?

What is the average force exerted to the bandy ball by the stick?

What is the average force exerted to the tennis ball by the racket?

Define the average force on the ball during the acceleration. a) By means of the basic law mechanics: ∑ F̅ = ma̅. b) Through the power impulse: F∆t = m∆v

Compare the amount of work done when lifting or pulling a piece on a sloping level to height h.

Determine the work done by the force.

Specify the amount of power to the move of the body.

Specify the coefficient of kinetic friction between the body and the surface.

Determine the coefficient of static friction between the body and the substrate.

Determine the coefficient of kinetic friction between the body and the substrate.

Specify the coefficient of static friction.

a) How many percents of the bodys potential energy transforms to heat energy during the sliding? b) Specify the coefficient of the sliding friction.

Determine the coefficient of sliding friction between the surface and the body.

How much (percentage) of the ball's potential energy is converted into thermal energy in the collision?

Determine the mass of the load to be lifted.

Determine the mass of the yellow metal bar.

There is a wire wrapped around a metal bar in the video. Determine the coefficient of static friction between the wire and the metal bar.

Demonstrate the validity of the laws of statics by comparing the measurement results with the values obtained by calculation.

Show according to the rules of the laws of statics, that the system is in balance with respect to forces.

Show by calculation that the torque balance is valid (rotational analog of Newton´s second law for a rigid body).

Determine the minimum buckling force theoretically and experimentally to a rod that is supported in four different ways. Compare the results obtained with each other. Also draw theoretical buckling images and compare them to the buckling seen in the video.

Specify the average rotational speed of the wheel.

Specify the rotation speed of the tennis ball in rpm (revolutions per minute).

Specify the angular velocity of the wheel.

What is the average velocity on the outer surface in the circular orbit of the wheel? (average speed at the rim of the wheel?)

What is the average centripetal acceleration at the rim of the wheel?

Determine the angular acceleration of the wheel.

What is the tangential acceleration at the wheel rim?

What is the total acceleration at the rim of the wheel at time t = 30.00 s?

Determine the moment of inertia of the wheel through its center.

Specify the moment of inertia of the rolling object.

Specify the moment of inertia of the rolling object.

Determine the moment of inertia of the wheel through its center.

Determine the mass of the second wagon (wagon with a spring at the end). How much of kinetic energy is converted into thermal energy in a collision (percentage)?

Determine the mass of the second wagon (wagon with a spring at the end). How much of kinetic energy is converted into thermal energy in a collision (percentage)?

Determine the mass of the wagon that was not moving at the beginning.

Determine the mass of the second wagon (wagon as shown on the right).

Determine the modulus of elasticity of the solid metal bar. What metal could the bar be made of? (Note: Video contains audio)

Draw a circuit diagram of the connection. The component in the video is a standard resistor.

Draw a circuit diagram of the connection. There are two equal regular resistors in the video.

Draw a circuit diagram of the connection. There are two equal regular resistors in the video.

Draw a circuit diagram from the connection.

Draw a circuit diagram from the connection.

Draw a circuit diagram from the connection.

Draw a circuit diagram of the connection.

a) Define the total resistance. b) How high is the resistance with one resistor? The components in the video are standard resistors with the same resistance.

Define the resistance of a component.

a) Define the total resistance. b) How high is the resistance with one resistor? The components in the video are standard resistors with the same resistance.

Specify the resistance of one lamp and the total resistance. Both lamps are similar.

Specify the resistance of one lamp and the total resistance. Both lamps are similar.

Specify the resistance of one lamp and the total resistance. Both lamps are similar.

Determine the resistance of the lamp.

Determine the internal resistance of the battery.

Determine the resistance of the wirewound resistor per unit length.

Determine the resistance of the wirewound resistor per unit length.

Specify the power of one lamp as well as the power of the lamps. Both lamps are similar.

Specify the power of one lamp as well as the power of the lamps. Both lamps are similar.

Specify the power of one lamp as well as the power of the lamps. Both lamps are similar.

Determine the electromotive force (emf) of the unloaded battery and short-circuit current.

Determine the electromotive force (emf) of the unloaded battery and short-circuit current.

How many rounds are there in the transformer coil?

How much does the measured secondary voltage differ (in volts and percentage) from the predicted secondary voltage of the ideal transformer?

In the video you see transformers in use. How many rounds (turns) are there in the fourth coil?

Determine the threshold voltage of the diode and the resistance of the front resistor.

Determine the impedance of the circuit and the peak value of the voltage.

Determine the impedance of the circuit.

Determine the capacitance of the capacitor.

Determine the capacitance of the capacitor and the phase between the voltage and the electric current.

Determine the capacitance of the capacitor and the phase between the voltage and the electric current.

Determine the inductance of the coil and the phase between the voltage and the electric current.

Determine the inductance of the coil and the phase between the voltage and the electric current.

Determine the inductance of the coil and the capacitance of the capacitor. What would be the resonant frequency of this circuit?

Determine the electrical resistivity of wirewound resistor.

How many ionisation events are detected by the Geiger counter in 10 seconds with exactly the same experimental arrangement in 10 years?

Illustrate distance effect on the intensity of radiation with graphical graph. Interpret the graph you draw.

Specify the water linear attenuation coefficient.