The box is firmly attached, in a horizontal position, to the body of a racing car ,when the car accelerates the spring stretches by 4.0 cm determine the tension of the spring

Shelly experiences a backward jolt when the driver starts the school bus. which of the following explains this phenomenon? a. the inertia of shelly b. the inertia of the bus c. the normal force of the seats on shelly d. the net force acting on shelly in a backward direction e. a zero net force acting on shelly

The act of moving from one place to another. a. locomotor b. aerobic c. stationary d. static

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