Mechanics | Relativity Answers

a ball is thrown upward with an initial velocity of 14m/s. using the approximate value of g=10m/s^2, what are the magnitude and direction of the balls velocity.

a) 1 second after it is thrown
b) 2 second after it is thrown

A bird of mass 1 kg is flying due south at the latitude of 30 degree N in the northern hemisphere at a speed of 1 meter per second. Determine the coriolis force acting on it

A subway train starting from rest leaves a station with a constant acceleration. At the end of 7.25 s, it is moving at 17.3275 m/s.
What is the train’s displacement in the first 5.162 s of motion?
Answer in units of m

A uniform rod of length 5m and weight 20N is supported at the 1 meter mark and at the 4 metre mark. A painter of weight 750 n stands at 3 metre mark. Calculate the reaction at each support

in an automobile race the cars are started with a starter car traveling at 31.5 m/sec. if the lead car has an average acceleration of 4.3m/sec2 during the first 3 seconds, how fast was it traveling at the end of 3 seconds and how far did it go?

starting from rest, how long does it take moving man to reach a velocity of 5 m/sec if his acceleration is 1.75 m/sec2

a football is kicked at 22 m/s at an angle of 40 degrees above horizontal on level ground. how far does it travel

wiley coyote runs off of a 44.1m high cliff at 16m/s . how far away from the base of the cliff does he land

given A=120m @ 20 degrees W of N and B= 20m @ 10 degrees S of W use the analythic method to find R=A+B

use the law of cosines and the law of sines to find the ground speed of an airplane with an airspeed of 120 km/hr @ 20 degrees E of N if the wind is blowing 40 km/hr @ 10 degrees S of E