Questions tagged 'Physics'
312 questions
Physics homework question?
A truck weighing 3.0 x 10^4 newtons was driven up a hill that is 1.6 x 10^3 meters long to a level area that is 8.0 x 10^2 meters above the starting point. If the trip took 480 seconds, what was the m...
Physics question…. help?
An archer shoots an arrow horizontally at a target located 15 meters away. Although the arrow is aimed directly at the center of the target, it strikes the target 48 centimeters lower than intended. W...
Jan 22, 2025
A mass on a string of unknown length oscillates as a pendulum with period of 4.77 s.?
A mass suspended on a string of unknown length oscillates as a pendulum with a period of 4.77 seconds. If the length of the string is doubled, what will be the new period? What will the period be if t...
Jan 22, 2025
How the results of parts b and c related to the plot shown below?
How are the results from parts b and c related to the plot shown below? Specifically, I would like to understand how the frequency associated with the wavelength calculated in part (b) connects to the...
what is the momentum of a 50-kilogram ice skater gliding across the ice at a speed of 2 m/s?
What is the momentum of a 50-kilogram ice skater gliding across the ice at a speed of 2 m/s? A. 100 kg·m/s B. 48 kg·m/s C. 25 kg·m/s D. 50 kg·m/s Can someone help?
in what sense are all magnets electromagnets?
In what way can we understand that all magnets are essentially electromagnets?
An electron with a speed of 3.00*10^6 m/s moves into a uniform electric field of magnitude 1.00*10^3 N/C….?
An electron with a speed of (3.00 \times 10^6 \, \text{m/s}) enters a uniform electric field with a magnitude of (1.00 \times 10^3 \, \text{N/C}). The electric field lines are parallel to the electron...
Physics Question..If two gliders of equal mass and…?
If two gliders of equal mass and equal but opposite initial velocities collide perfectly elastically, what are the final velocities of the gliders in terms of their initial velocities? Please use the...
Jan 20, 2025
projectile motion homework?
A rescue pilot needs to drop a survival kit while flying at an altitude of 2,000.0 meters with a forward velocity of 100.0 m/s. Assuming air resistance is negligible, how far ahead of the starving exp...
Jan 20, 2025
Find an expression for the bullet’s speed.?
A bullet of mass ( m ) is fired into a block of mass ( M ) that is initially at rest. After the collision, the block, with the embedded bullet, slides a distance ( d ) across a horizontal surface. The...