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A proton is released such that it has an initial speed of 4.0*105 m/s from left to right across thepage( i.e it is moving in positive x axis). A magneticfield of 1.2 T is present at an angle of 0° to the horizontaldirection (or positive x axis). What is the magnitude ofthe force experienced by the proton?
A man driving a car toward a large vertical wall sounds his horn. The car is traveling at 92 km/h. What is the frequency of the car horn
A 40 g block of ice is cooled to -78°C and is then added to 550 g of water in an 80 g copper calorimeter at a temperature of 24°C. find the final temperature of the system consisting of the ice
the drawing shows a plane diving towards the ground and then climbing back upward. during each of these motions the
A movie star catches a reporter shooting pictures of her at home. She claims the reporter was trespassing and to prove her point, How far away from the subject was the reporter standing
A pair of slits, separated by 0.170 mm, is illuminated by light having a wavelength of ? = 624 nm. What is the path difference for the two slits at the location y
a 49N brick is placed in 1m^3 of oil. the volume of the oil raises to 1.025m^3. What are the forces acting on the brick when at rest on the scale at the bottom of the pool? Include their direction
A block of mass 50kg is pushed 20m along a frictionlesssurface by a constant horizontal force of 60N, What is the net work done on the block
A 2.4 kg solid cylinder (radius = 0.20 , length = 0.55 ) is released from rest at the top of a ramp and allowed to roll without slipping. what is the translational kinetic energy
A spring is stretched a distance of Dx = 40 cm beyond its relaxed length. Attached to the end of the spring is an block of mass m = 12 kg, which rests on a horizontal frictionless surface. what is the speed of the attached object
An aircraft uses a rocket-assisted takeoff unit (RATO) that is capable of discharging 47.0 kg of gas in 10.0 s with an exhaust velocity of 1100 m/s. What is the thrust developed by the rocket
imagine a truck with a mass of 22 metric tons t 1 t1000 kg barrelling down a highway at a speed of 59 mih. what is the
a tiger leaps horizontally from a 7.5 meter high rock with a speed of 4.5 ms. how far from the base of the rock does
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