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A solid cylinder (radius = 0.200 m, height = 0.170 m) has a mass of 19.8 kg. This cylinder is floating in water. Then oil (the specific gravity of the oil = 0.813) is poured on top of the water until the situation shown in the drawing results. How much of the height of the cylinder is in the oil?
In 1992, David Engwall of California used a slingshot to launch at 62 g dart. The dart traveled a distance of 477 m (almost 5 football fields). how far was the slingshot stretched
After falling from rest from a height of 26 m, a 0.5 kg ball rebounds upward, reaching a height of 16 m. If the contact between ball and ground lasted 1.6 ms, Evaluate average force was exerted on the ball?
A 2.00-cm-diameter parallel-plate capacitor with a spacing of 0.200mm is charged to 300V. What is the total energy stored in the electric field
A 0.170 kg tumour is being irradiated by a radioactive source. Each decay of the radioactive source produces a particle with an energy of 0.450 MeV. find the activity of the radioactive source
a 60.0 n force is applied at an angle of 35 degrees to a 7.00 kg block pressed against a rough vertical wall, What is the coeffiant of kinetic friction in the vertical direction
A 0.174kg softball is pitched horizontally at 26m/s. the ball moves in the opposite direction at 38m/s after it is hit by the bat.
q1. what is the frequency of ultrasound in a medium if he wave length is 3.0 x 10-3 m and velocity is 1300 mmms?q2. an
A 2.16 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0320 m. The spring has force constant 840 N/m.
q1. a hockey player makes a slap shot exerting a constant force of 30.4 n on the hockey puck for 0.12 s. what is the
The electric field in the region between horizontal, oppositely charged, flat metal plates is approximately uniform. Find the position of the electron at time t = 0.1?s after entering the electric field
Imagine Bob lives on the earth at rest. Sara is traveling past the earth with a velocity of 9600 m/s, Suppose that a photon of light is passing Sara instead of a meteor. Bob measures the photon speed to be c, the speed of light. What speed does Sar..
A 7430-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. Find the work done by the gravitational force
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