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One way to measure on another planet or moon by remote sensing is to measure how long it takes an object to fall a given distance. A lander vehicle on a distant planet records the fact that it takes 3.17 for a ball to fall freely 11.26 , starting from rest. What is the acceleration due to gravity on that planet? Express your answer in .
The figure shows three blocks attached by cords that loop over frictionless pulleys. Block B lies on a frictionless table; what is the tension in the cord at the right
2.00 mol of a monaromic gas at atmospheric pressure has a total internal energy of 7.48x10^3J. What is the volume occupied a rigid cylinder by the gas
An inductor has a 51.6-? reactance when connected to a 60.0-Hz source. What is the maximum current in the inductor
Assume a neuron in the brain carries a current of. Treating the neuron as a straight wire, what is the magnetic field it produces at a distance of 7.50.
A 1500 kg Prius and a 2400 kg Ford F150 pickup truck are approaching an unmarked intersection. What is the speed of the Ford at the moment of impact
A 954 kg drag race car accelerates from rest to 113 km/h in 0.919 s. What change in momentum does the force produce
When a body of mass m is moving with a speed v, it has kinetic energy associated with its motion. by what percentage does the kinetic energy increase
What is the resistance of a 1.7m -long copper wire that is 0.50mm in diameter? (Answer should be in ohms)
A cylinder of radius 25 cm is filled with an ideal fluid, If the height of the two cylinders is exactly the same, what mass should be placed on the second cylinder to balanced the system
A vertical spring with a spring constant of 440 N/m is mounted on the floor. what height (in cm) above the compressed spring was the block dropped
One end of a cord is fixed and a small 0.530-kg object is attached to the other end, where it swings in a section of a vertical circle of radius 3.00 m, as shown in the figure below. When ? = 16.0°, the speed of the object is 8.20 m/s.
Starting with a pure Sr-90 sample at time t=0, a researcher finds that the Y-90 activity is 22.9 mCi at t = 1 day. What was the activity at t = 0
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