Questions tagged 'Acceleration'
22 questions
What is the acceleration of the baseball?
A batter strikes a baseball with a mass of 0.15 kg using a force of 18 kN. What is the acceleration of the baseball? (Points: 3) 1. 9.8 m/s² 2. 120,000 m/s² 3. 2,700 m/s² 4. 8.3 m/s² A block of met...
Motion w/ Constant Acceleration?
A jet lands with a speed of 81.9 m/s, traveling directly south, and comes to a stop over a distance of 949 meters. Assuming the jet decelerates at a constant rate, determine the magnitude and directio...
Physics 1 Homework HELP!! its due in a hour?
A person places a cup of coffee on the roof of her car while she rushes back into the house to retrieve a forgotten item. When she returns to the car, she hops in and drives off with the coffee cup st...
What is the height of the rocket above the surface of the earth at t= 10 ?
A rocket starts from rest and moves upward from the surface of the Earth. For the first 10 seconds of its motion, the vertical acceleration of the rocket is given by ( a_y = (2.80 \, \text{m/s}^3)t ),...
When the blocks are released, what is the acceleration of the lighter block?
A 1.4 kg block and a 2.7 kg block are connected to opposite ends of a light rope that passes over a solid, frictionless pulley with a diameter of 25 cm and a mass of 0.72 kg. When the blocks are relea...
Oct 28, 2024
Physics Question – Newton’s Laws?
As a chimpanzee climbs up to a branch, it accelerates upward at a rate of 2.3 m/s² while exerting a downward force of 280 N on the branch. What is the magnitude of the force that the chimpanzee exerts...
What average force is needed to accelerate a 7.00-gram pellet from rest to 125 m/s^2 over a distance of 0.800m along the barrel of a rifle?
What is the average force required to accelerate a 7.00-gram pellet from rest to a velocity of 125 m/s, given that the acceleration occurs over a distance of 0.800 meters along the barrel of a rifle?
Oct 25, 2024
A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bold falls off the?
A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the rocket. The bolt hits the ground 6.0 seconds later. What was the rocket's acce...
Oct 22, 2024
A 1.50m -long, 550g rope pulls a 7.00kg block of ice across a horizontal, frictionless surface. Physics Help?
A 1.50 m long, 550 g rope pulls a 7.00 kg block of ice across a horizontal, frictionless surface. The block accelerates at 2.20 m/s². How much force is exerted forward on (a) the ice and (b) the rope?
What is the free-fall acceleration on planet 2?
The free-fall acceleration at the surface of planet 1 is 22 m/s². Given that the radius and mass of planet 2 are both twice those of planet 1, what is the free-fall acceleration on planet 2?