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A 0.50-kg croquet ball is initially at rest on the grass. When the ball is struck by a mallet, the average force exerted on it is 270 N
If the ball's speed after being struck is 5.1 m/s, for what amount of time was the mallet in contact with the ball?
In coming to a stop, a car leaves skid marks 81 m long on the highway. Assuming a deceleration of 4.30 m/s 2 , estimate the speed of the car just before braking
q1.an underwater diver sees the sun 50 degrees above horizontal. how high is the sun above the horizon to a fisherman
1.0 C charge is 15 meter from a second charge, then the force between then is 1.0 Newton; determine the magnitude on the second charge
A particle of charge +2.56 x 10-6 C is 12.4 cm distant from a second particle of charge -1.55 x 10-6 C. Calculate the magnitude of the electrostatic force between the particles
A 0.500 kg football is thrown toward the east with a speed of 10.0 m/s. A stationary receiver catches the ball and brings it to rest in 0.020 s. What is the average force exerted on the receiver
a cylindrial tank being drained through a duct whose cross-sectional area is 3x10-4 m2. the velocity of the water at
A 0.14-kg pinecone falls 16m to the ground, where it landswith a speed of 13m/s. (a) With what speed would the pinecone have landed if there had been no air resistance? (b) Did air resistance do positive work, negative work, or zero work on the pi..
Indiana Jones is pushing back a 285 kg box which slides 4.3 m down a 29° incline and kept from accelerating. Calculate the force exerted by jones
when high-energy charged particles move through a transparent medium with a speed greater than the speed of light in
A parallel plate capacitor is constructed with Teflon (dielectric constant 2.1) between the plates. What charge was originally stored
What is the concept of momentum in physics? can you please provide me some explanation on momentum in physics by quoting some good examples?
The circuit consists of a battery, with a fixed voltage V, a resistor with resistance R and a capacitor with capacitance C. It also has a switch that can either flip up to charge the capacitor or flip down to discharge the capacitor.In the followi..
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