oujnjunoun3974 oujnjunoun3974

20-12-2022
Physics

Answered

the velocity of a train is 80.0 km/h, due west. one and a half hours later its velocity is 65.0 km/h, due west. what is the train's average acceleration? (a) 10.0 km/h2, due west (b) 43.3 km/h2, due west (c) 10.0 km/h2, due east (d) 43.3 km/h2, due east (e) 53.3 km/h2, due east.

Answer :

Other Questions

A train locomotive pulls a train with a mass of 1.30 ✕ 107 kg on level rails. The locomotive exerts a constant force of 6.90 ✕ 105 N on the train. How much time

Two friends wants to travel from Thunder Bay to Sault Ste Marie. Alex drives at 80 km/h from Thunder Bay to Nipigon, Marathon, Wawa to Sault Ste. Marie. He sto

a ball is thrown off a high cliff with no horizontal velocity. it lands at the bottom 8seconds later with a vleocity 50 ms. what was the initial velocity of the

4 At a certain instant a projectile has a horizontal velocity of 6 m/s and a vertical velocity of 8 m/s. a Calculate the resultant velocity of the projectile at

a ball is dropped out of a helicopter. at time t the final velocity of the ball is vf. what would the final velocity of the ball be at time 0.5t? neglect drag.

A woman of mass 54 kg jumps off the bow of a 48 kg canoe that is intially at rest. If her velocity is 2 m/s to the right, what is the velocity of the canoe afte

a blue lab cart is traveling west on a track when it collides with and sticks to a red lab cart traveling east. the magnitude of the momentum of the blue cart b

from lowell, you observe a star rising directly to the east. when this star reaches its highest position above the horizon, where will it be?

finally, observe the values of horizontal acceleration for the point masses and the dynamic models for the man and the boy. what can you say about the accelerat

a 50 kg gymnast dismounts the balance beam with a radius of gyration of 0.3 m and an angular velocity of 4.2 rad/s. what is her angular momentum?