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A particle of mass 7.25 kg moves from rest at t = 0 under the influence of a single force of magnitude 42.5 N. Calculate the power delivered by the force at time t = 5.40 s.
A 60.0 kg pole vaulter running at 12.0 m/s vaults over the bar. Assume that the vaulter's horizontal component of velocity over the bar is 1.0 m/s and disregarding air resistance, how high was the jump?
Light from an argon laser strikes a diffraction grating that has 5345 grooves per centimeter. Determine the wavelength of the laser light
A truck weighs four times as much as a car. if the truck coasts into the car at 12km/h and they stick together, what is their fimal velocity.
The potential difference between two parallel plates is 566 V. An alpha particle with mass of 6.64 10, What is the speed of the alpha particle when it reaches the other plate
A small glass bead has been charged to +30.0nC. What is the charge on the ball bearing
If no, then what will happen if 30 kilocalories of heat is added to the water? Give a numerical result as part of your answer.
You are given a sample of metal and asked to determine its specific heat. You weigh the sample and find that its weight is 25.7N. What is the sample's specific heat
A Carnot engine extracts 950J from a 600K reservoir during each cycle and rejects 480J to a cooler reservoir. It operates at 22 cycles per second. Find the work done during each cycle
If the energy that goes into evaporating one kilogram of water from Lake Michigan at 22.0 oC, how high (in m) would it be lifted
Explain the spacing between allowed vibrational energy levels
ocean waves with wavelength 1.2 m and period 1.5s are moving past a pier. a boy runs along the pier, how many wave crests pass the boy each second
One side of the roof of a building slopes up at 34.0°. A student throws a Frisbee onto the roof. It strikes with a speed of 15.0 m/s and does not bounce, but slides straight up incline. The coefficient of kinetic friction between plastic and roof is ..
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