A 150-kg object takes 1.5 minutes to travel a 2,500 - meter straight path. It begins the trip traveling 120 m/s and decelerates to a velocity of 20 m/s. What is the acceleration?

True or False A scientific theory generally is accepted as false until it is proved?

a car has a foward acceleration how would the acceleration of the car be dofferent if it had more mass

What is the largest mountain free land area in europe it stretches 2000 miles?

On November 7, 1940, 42 mph winds caused the original Tacoma Narrows Bridge to pitch so violently that it collapsed. This was the result of which physical phenomenon?

What heat transfer method usually occurs through movement of hot smoke and fire gases?

An electron is located on the x axis at x0 = - 9.31*10-6 m. Find the magnitude and direction of the electric field at x = 9.39 * 10-6 m on the x axis due to this electron.

Earth attracts a person with a gravitational force of 7.0 * 102 newtons. What is the magnitude of the force with which the individual attracts Earth? 3.0 * 10² newtons 7.0 * 10² newtons 8.5 * 10² newtons 9.8 * 10² newtons

The productive cycle of a human is usually regulated by

Winston stands on the edge of a building's flat roof, 12 m above the ground, and throws a 147.0-g baseball straight down. the ball hits the ground at a speed of 18 m/s. what was the initial speed of the ball?

When is the zebra in motion when it is not moving