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Force on a Particle A force F = (4.0 N)i + (c N)j acts on a particle as the particle goes through displacement d = (4.0 m)i - (2.0 m)j. (Other forces also act on the particle.) What is the value of c if the work done on the particle by force F is each of the following? (a) zero (b) 17 J (c) -18 J
A 1000 kg car moving at 30 m/s due north collides completely elastically with a 1250 kg truck heading 45 degrees north of east. Find the initial speed of the truck
An 250 kg air hockey puck is tied to a peg. The puck is given a push and moves around the peg at a constant speed in a circle. What is the acceleration of the puck
A point source of light illuminates an aperture 2.00m away. How wide is the aperture
You are pulling a crate across the floor. The block has a mass of 65.0 kg. You exert a horizontal force of 140. find direction of the acceleration of the crate
The middle C string on a piano is under a tension of 900 N. The period and wavelength of a wave on this string are 3.82 ms, Find the linear density of the string
What is the magnitude of the force on the electron from the uranium ion?
A conical pendulum is formed by attaching a 50 g mass to a 2 m string. The mass swings around a horizontal circle of radius 1 m. What is the acceleration of the mass
suppose after the ball reaches the ground ,it bounces back straight upwards at the speed of half of the speed that it hits the ground, calculate the maximum height that the ball bounces
A 0.80-m-long organ pipe that is open at both ends resonates in the fundamental when a tuning fork of unknown frequency vibrates near one end of the pipe. what would be the fundamental frequency of a 0.80-m-long pipe that is open at one end and cl..
Two identical cars (m = 1350 kg) are traveling at the same speed of 28.0 m/s. estimate the magnitude of the total momentum of the two cars
A square with sides of length L has a point charge at each of its four corners. Find the magnitude and sign of the charges Q such that each of the +1.00 µC charges experiences zero net force
A photon is scattered 60.0° during a collision with an electron, Find the wavelength of the photon before the collision
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