Questions tagged 'Kinematics'
17 questions
Dec 17, 2024
How long will you have to push for the puck to reach the same speed v?
Suppose you push a hockey puck of mass m across frictionless ice for a time interval Δt, starting from rest. During this time, the puck reaches a speed v after traveling a distance d. If you repeat th...
PLEASE HELP!! MAsteringPhysics What is the speed of each section (relative to Earth) after the explosion?
A 885 kg two-stage rocket is traveling at a speed of 5.05×10³ m/s with respect to Earth when a pre-designed explosion separates the rocket into two sections of equal mass. After the explosion, the two...
If the coefficient of kinetic friction between tires and dry pavement is 0.800, what is the shortest distance?
If the coefficient of kinetic friction between tires and dry pavement is 0.800, what is the shortest distance required for an automobile to come to a stop when traveling at a speed of 26.2 m/s with lo...
First Year Physics Help…?
Sam, who has a mass of 75 kg, accelerates across a level snow surface using his jet-powered skis. The skis generate a thrust of 197 N, and the coefficient of kinetic friction between the skis and the...
Physics question, help please….?
A block with a mass of 0.5 kg is pressed against a horizontal spring with negligible mass, compressing the spring by a distance of 0.2 m. When the spring is released, the block travels across a horizo...
A tennis ball of mass 57.0 g is held just above a basketball of mass 580 g.?
A tennis ball with a mass of 57.0 g is held just above a basketball with a mass of 580 g. With their centers vertically aligned, both balls are released from rest at the same time to fall through a di...
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...