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You briefly push a toy car. it rolls 2 meters in about 10 seconds in comes to rest. you estimate that your push gave the car a speed of about 40 cm/s and the car decelerated at a rate of about 4 cm/s2. How much momentum did you transfer to the toy car if its mass is about 100 grams? How much momentum was lost as it came back to rest after being pushed?
A test tube standing vertically in a test tube rack contains 2.2 cm of oil, What is the gauge pressure on the bottom of the tube
q.1. a particle leaves the origin with an initial velocity 6.67 ms and a constant acceleration - 2.48 - 4.29 ms2.
The positively charged plate of a parallel-plate capacitor has a charge equal to Q. Find the dielectric constant of the material
Consider the Earth and a cloud layer 800 m above the planet to be the plates of a parallel-plate capacitor. what is the maximum charge the cloud can hold
Using a mixture of CO2, N2, and sometimes He, CO2 lasers emit a wavelength of 10.8μm. How many photons per second does a CO2 laser deliver to the tissue during its use in an operation
You throw a glob of putty straight up toward the ceiling, which is 3.00m above the point where the putty leaves your hand. What is the speed of the putty just before it strikes the ceiling
The half-life of a particular atom is 4.56 minutes. Determine the ratio of material left to the original amount after: 6.50 minutes, 12.8 minutes. What is the decay constant and mean lifetime for this material?
A Metal Block of Mass M = 5.00 kilogram is hanging vertically from a string of length L = 1.22 meter. Evaluate what the initial velocity of the bullet
An electromagnetic wave is represented by the magnetic field represented mathematically by B = Bosin[(6.591 x 108 s-1)t + (2.198 m-1) x], Determine the frequency and wavelength of the wave
Find out the total work done on the car by the external forces.
A When the magnetic flux through a single loop of wire increases by 30 Webers, a current of 40.0 A is induced in the wire. over what time did the flux change
A 2.76-kg steel ball strikes a massive wall at 10.0 m/s at an angle of ? = 60.0° with the plane of the wall. find the average force exerted by the wall on the ball
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