A person pushes a 19.2-kg shopping cart at a constant velocity for a distance of 36.4 m on a flat horizontal surface. She pushes in a direction 29.3 ° below the horizontal. A 34.8-N frictional force opposes the motion of the cart. (a) What is the magnitude of the force that the shopper exerts? Determine the work done by (b) the pushing force, (c) the frictional force, and (d) the gravitational force.
Answers: 3
Physics, 22.06.2019 15:30, haha81
Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.
Answers: 2
Physics, 22.06.2019 15:30, sandra5456
An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?
Answers: 1
Physics, 22.06.2019 18:00, fletcherjf3
Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in
Answers: 2
A person pushes a 19.2-kg shopping cart at a constant velocity for a distance of 36.4 m on a flat ho...
Biology, 03.08.2019 02:00
Biology, 03.08.2019 02:00