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1) From the top of a 40.0m high cliff, two rocks are simultaneously thrown. One is thrown upwards at 20.0m/s, the other is thrown downwards at 8.0 m/s. How far apart are the two rocks after 1.5 seconds?
A 1.5 kg copper block is given an initial speed of3.00m/s on a rough horizantal surface. Because of friction, theblock finally comes to rest. what happens on the remaining energy
The Crab Pulsar, location inside the Crab Nebula in the constellation Orion, has a period currently of length 33.085 ms. Itis estimated to have an equatorial radius of 15 km.
The supersonic aircraft Concorde has a length of 61.6m when sitting on the ground on a typical day when the temperature is 12.0C . The Concorde is primarily made of aluminum
Physics: Find the shear stress on the rod and vertical deflection at the end of the rod, A horizontal aluminum rod 4.2 cm in diameter projects 7.6 cm from a wall. A 1400 kg object is suspended from the end of the rod
Space vehicles traveling through Earth's radiation beltscan intercept a significant number of electrons. Find the resulting surface charge density
A suspension bridge is 60.0 m above the level base of a gorge. A stone is thrown or dropped from the bridge. Neglect air resistance. Let g = 10.0 m/s2. how long does it take for it to fall to the base of the gorge
A viewing window in the Atlanta aquarium is 51 inches wide and 54 inches high. what is the outward force on the window
When a turntable rotating at 33 1/3 rev/min is shut off, it comes to rest in 24 s. Assume constant angular acceleration. Find the average angular velocity of the turntable
Acharge moves a distance of 2.1 cm in the direction of a uniform electric field having a magnitude of 220 N/C. The electrical potential energy of the charge decreases by 136.122e-19J as it moves.
Assume you are swimming in a river while a friend watches from the shore. In calm water, you swim at a speed of 1.25 m/s. The river has a current that runs at a speed of 1m/s.
A 2.20-kg block starts from rest at the top of a 30.0° incline and slides a distance of 2.10 m down the incline in 1.60 s. Find the friction force acting on the block
The technique known as potassium-argon dating is used to date old lava flows and thus any fossilized skeletons found in them, What is the age of a piece of solidified lava
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