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A body travels from A to B with a uniform velocity of 2m/s in 5s. if the body returns from B to A with another uniform velocity of 4m/s then the displacement of the body after 6s is?
A 118 kg fullback runs at the line of scrimmage. How fast was he running initially
A small electric immersion heater is utilized to heat 170 g of water for a cup of instant coffee. The heater is labeled "200 watts", which means that it converts electrical energy to thermal energy at this rate. Compute the time required to bring thi..
Helium forms a solid at low temperatures and high pressures. To maintain the order present in a solid, each atom must remain at its assigned position, Find the uncertainty in momentum of the helium atom
A mass of 500kg, with a velocity of 25m/s, hits a stationary mass of 200kg. The masses stick together after the collision. What is the velocity of the masses after the collision
A CD has a mass of 17 g and a radius of 6.0 cm. When inserted into a player, the CD starts from rest and accelerates to an angular velocity of 17 rad/s in 0.85 s. determine the net torque acting on it
questionconsider a person m80 kg standing on the flat horizontal ground at a location on the equator of thenbspearth.
What is the greatest possible rate of energy transfer by radiation from a metal cube 2.4cm on a side that is at 720 degrees Celsius
Estimate the size of the friction force on a baseball player sliding into second base. Assume a mass of 84 and uk = 0.42
A solid sphere of uniform density starts from rest and rolls without slipping a distance of d = 4 m down a q = 28° incline. The sphere has a mass M = 5.2 kg and a radius R = 0.28 m. What is the magnitude of the frictional force on the sphere?
Assume the coefficient of static friction between the tires and the road on a care is 0.60 and the car has no negative lift. Find what speeds will the put the car on the verge of sliding
A house painter uses the chair and pulley arrangement of the figure to lift himself up the side of a house. With what force must he pull down on the rope
A spring (k = 866 N/m) is hanging from the ceiling of an elevator, and a 7.3-kg object is attached to the lower end. By how much does the spring stretch
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