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A 0.70 kg mass at the end of a spring vibrates 4.0 times per second with an amplitude of 0.15 m.
Determine:
a) The velocity when it passes the equilibrium point
b) The velocity when it is .09 m from equilibrium
c) The total energy of the system
A 75.0 kg stunt man jumps from a balcony and falls 22.5 m before colliding with a pile of mattresses. what is the average force exerted by the mattresses on the stuntman
The figure shows a zero-resistance rod sliding to the right on two zero-resistance rails separated by the distance L = 0.381 m. The rails are connected by a 13.1 ohm resistor, and the entire system is in a uniform magnetic field with a magnitude o..
City lies directly west of city . When there is no wind, an airliner makes the 6130 round-trip flight between the two cities in 6.50 of flying time while traveling at the same speed in both directions. How fast is the wind blowing
A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. How far short of the target should it drop the package
A(n) 19_kg object floating in water has 0.24 of its volume above the surface of the water. What is the volume of the object
because earths rotation is gradually slowing the length of each day increases the day at the end of 1.0 century is 1.0
A race car starting from rest accelerates at a constant rate of 6.50 m/s2. What is the velocity of the car
An 93-g arrow is fired from a bow whose string exerts an average force of 120N on the arrow over a distance of 77cm, What is the speed of the arrow as it leaves the bow
A 1.10m long ramp is inclined at 13 degrees to the horizontal. A solid ball is released from rest at the top of the ramp. Find the ball's speed at the bottom of the ramp
A fire truck attaches two fire hoses to a hydrant to fight a fire. each hose has a diameter of 20 cm. How many kilograms of water are put on the fire in 30 minutes
the surface charge density on an infinite charged plane is - 2.50 x 10-6 cm2. a proton is shot straight away from the
The 20-cm-long wrench in the figure swings on its hook with a period of 0.74s, What is the wrench's moment of inertia about the hook
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