Apassenger in a helicopter traveling upwards at 15 m/s accidentally drops a package out the window. if it takes 15 seconds to reach the ground, how high to the nearest meter was the helicopter when the package was dropped?

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.