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A 2.50-kg stone is dropped from rest at a height of 3.75 m. What impulse does gravity impart to this stone from the instant it is dropped until it hits the ground, assuming negligible air resistance?
A large tank of water is full and has a depth of 10.0 m. What is the pressure at the bottom of the tank? What would the velocity of the water be
A block of mass m=0.20 kg is attached to a spring with force constatnt k=12.0 N/cm. Determine the decrement of the motion
A crate whose mass m is 360 kg on the bed of a truck that is moving at 120km/h. What force (assumed constant) acts on the crate during this time
A simple generator has a 620-loop square coil 21cm on a side. How fast must it turn in the 0.690 T field to produce a 140 V peak output.
My car engine can deliver a maximum of 112 ft-lbf of torque when running at 3450 rpm. How many horsepower is the engine producing at this same time
A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, What was the bear's average speed
A starship moving toward Earth with a speed of 0.79 c launches a shuttle craft in the forward direction. What is the speed of the shuttle relative to the starship
The sprint in spring gun has a force constant of 3.0 lb/in. It is compressed 1.5 in. from its natural lenght, with what speed will the ball leave the gun when released
A stone with a mass of 0.80 kg is attached to one end of a string 0.900 m long. The string would break if its tension exceeds 600-N.
The engine of a model rocket accelerates the rocket vertically upward for 2.0 s as follows: At t = 0, the rocket's speed is zero; at t = 1.0 s, determine the instantaneous acceleration of the rocket at t = 1.5 s
You are driving down the road at 60 km/hr when you see a chicken dash out onto the road 23.3 m in front of you. What was your reaction time
Calculate the amplitude of the voltage pulse produced by collecting a charge equal to that carried by 10^6 electrons on a capacitance of 100 pF
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