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A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.01 m, 4.12 m) while a constant force acts on it. The force has magnitude 1.54 N and is directed at a counterclockwise angle of 100° from the positive direction of the x axis. How much work is done by the force on the coin during the displacement?
A ballplayer catches a ball 2.75 seconds after throwing it vertically upward. With what speed did he throw it? Calculate the final & resultant velocity and acceleration.
You shoot a cannon with initial velocity 62.3 m/s at an angle 67 degrees with respect to the level field on which the cannon sits. How far does this cannonball go on level ground
What phase difference between two otherwise identical travelling waves, moving in the similar direction along a stretched string.
What are (a) x component and (b) y component of a vector in the xy plane if its direction is 329° counter clockwise from the positive direction of the x axis and its magnitude is 9.0 m.
An object with mass 4.0kg is executing simple harmonic motion, attached to a spring with spring constant 300N/m, Calculate the max speed obtained by the object
A horizontal force of 213 N is exerted on a 1.90 kg discus as it rotates uniformly in a horizontal circle (at arm's length) of radius 1.60 m. determine the time for one revolution of the discus. Round the answer to 2 decimal places.
A cylindrical aluminum pipe of length 1.43 m has an inner radius of 2.00 10-3 m and an outer radius of 3.00 10-3 m. What is the resistance of this unit
If an airplane has airspeed 100 km/hr southwest but is traveling 140 km/hr south relative to the ground
A child and sled with the combined mass of 60.4 kg slide down a frictionless hill. If the sled starts from rest and has a speed of 13.4 m/s at the bottom, what is the height of the hill.
The right figure shows a force of magnitude F = 12.0 N applied to an 8.00 kg block at a downward angle of ? = 30.0°. find the magnitude of the frictional force on the block
The length of the mercury column is 4.0cm in pure melting ice and 28.0 cm in the steam. Compute the temperature for a length of 22.0.
The coefficient of kinetic friction is 0.350. Illustrate what should be the magnitude of vector P , so that the net work done by it and the kinetic frictional force is zero?
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