What is the momentum of a system of two particles with these respective masses and velocities: 3.75 kg moving north at 5.6m/s and 4.2 kg moving northwest at 2.3m/s?

What is the momentum of a system of two particles with these respective masses and velocities: 3.75 kg moving north at 5.6m/s and 4.2 kg moving northwest at 2.3m/s?

A 42 kg child slides from the top of a 3 m high playground slide. With what speed will the child reach the bottom of the slide assuming: (a)There is no friction? (b) 23 J of energy is dissipated due...

Options are i) v=0 ii) v=2u iii) v=0.5u iv) v=u

A particle of mass m = 10kg moves along a straight line under the action of force F = λ/x4 , where λ is some constant. A measurement shows that the particle passes the point x = 1m with...

A ball is thrown upward with an initial velocity of 42 meters per second from a cliff that is 10 meters high. The height of the ball is given by the quadratic equation h=-4.9t^2+ 42t+70 where...

answer

A car traveling north at an average velocity of 65 km/hr. How far will it travel at 180 minutes? **Make sure to include all proper units and labels in final answer Given: Average velocity= 65 km/hr...

44/45= 0.97 how do I add the Miles per second and the direction (East)?

d=Vi t 1/2 at^2 is independent of what variable? (1)a (2)Vi (3)Vf (4)d

Find the deceleration in m/s/s from 40m/s to 0m/s in 8 seconds.

Find the frequency and the angular velocity of a repeating waveform whose period is 1/4s

The velocity of a sky diver t seconds after jumping is given by v(t) = 80(1 − e−0.02t), measured in feet per second.

What was the maximum height and maximum range of the bullet? I got the answers of Δy=44.1 m And Δx= 60.0 m

(a) constant velocity problem (b) free fall problem

(a) increase (b) remain the same (c) decrease

That is the exact question.

An object is moving in a straight line from a fixed point. The displacement s(in meters) is given by s=-2t^2+28t+45, t is greater than or equal to 0, where t is in seconds. 1...

Use velocity to find it

1. Car 1 moves eastward with a constant speed of 20 m/s. Car 2, at rest on the side of the road, accelerates at 2 m/s squared to the east at precisely the instant Car 1 is beside it. How long does...

Andy and Mina were having a race. They started at noon. Mina was running at 15km/h, while Andy was only one third of that speed. Once Mina was 500 meters apart, Andy sped up running 4 times the speed,...