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What supplies the force to keep an object in circular motion for a car on a turn, a ball on a string twirled in a circle, a satellite? Each situation has a different force responsible for the motion, list each separately.
IN some motercycle races the rider leaves the ground for a moment. If the motercycle rider increases the throttle when in the air what happens and why?
a certain second-order reaction has a rate constant of 1.10times10-3 at 27 and an initial half-life of 226. what is
In a certain cyclotron a proton moves in a circle of radius 0.750 m. The magnitude of the magnetic field is 1.60 T. (a) What is the oscillator frequency (in Hz)? (b) What is the kinetic energy (in eV) of the proton?
A person lifts a 4.5 kg cement block a vertical distance of 1.2 m and then carries the block horizontal. ly a distance of 7.3 m. Determine the work done by the person and by the force of gravity in this process.
A rifle with a weight of 20 N fires a 3.0 g bullet with a speed of 260 m/s. If a 700 N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle
An airplane with a speed of 77.1 m/s is climbing upward at an angle of 70.4 ° with respect to the horizontal. When the plane's altitude is 861 m, Calculate the distance along the ground
While in Europe, a tourist hears on the radio that the temperature that day will reach a high of 18 C. What is this temperature on the Fahrenheit scale?
A block of mass m1 = 3.00 kg and a block of mass m2 = 8.00 kg are connected by a massless string over a pulley in the shape of a disk having radius R = 0.25 m, Determine the acceleration of the two blocks
Two charges, +e and -e, are a distance of 0.870 nm apart in an electric field, E, that has a magnitude of 3.09 kN/C, Calculate the torque on the dipole in the electric field
A car takes 10s to go from v=0 m/s to v=25 m/s at constant acceleration. if you wish to find the distance traveled using the equation d=1/2 at squared, what value should you use for a squared?
A 5 m long string has a mass of 110 g and is under a tension of 900 N. What is the speed of a transverse wave pulse on this wire
An airplane is to drop an abject to hit a target on the ground. The plane is flying at a constant speed of 300 km/h horizontally, How far in advance should the object be let go in order for it to reach the target
In an elastic head-on collision with a stationary target particle, a moving particle recoils at one third of its incident speed. What is the ratio of the particles' masses
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