GradePack

    • Home
    • Blog
Skip to content
bg
bg
bg
bg

Author Archives: Anonymous

A fighter jet of mass 9600 kg is moving at a speed of 72 m/s…

A fighter jet of mass 9600 kg is moving at a speed of 72 m/s. If its total energy is 2.60×108 J, how high from the ground is it?

Read Details

A projectile is launched from the ground at an angle of 15°…

A projectile is launched from the ground at an angle of 15° above the horizontal. If the projectile is launched at the same velocity at an angle of _____, it will travel the same horizontal distance.

Read Details

Two point masses are placed 10.0 cm apart and attract each o…

Two point masses are placed 10.0 cm apart and attract each other with a force of 10.0 N. Find the force of gravitational attraction between the masses when they are placed 5.0 cm apart.

Read Details

An object is accelerating _____.

An object is accelerating _____.

Read Details

If no forces are acting on a moving object, the object will…

If no forces are acting on a moving object, the object will continue to move with constant:

Read Details

John pulls a sled on a frictionless surface with a force of…

John pulls a sled on a frictionless surface with a force of 60 N at an angle of 37o above the horizontal. If he pulls it a distance of 12 m, the work he does is:

Read Details

A car with a mass of 1000 kg is moving on an un-banked ramp…

A car with a mass of 1000 kg is moving on an un-banked ramp with a radius of 100 m. What is the maximum speed the car can move without skidding if the coefficients of static and kinetic friction are 0.80 and 0.60 respectively?

Read Details

A ball with momentum p strikes a wall and bounces off at the…

A ball with momentum p strikes a wall and bounces off at the same speed. The change in the ball’s momentum is:

Read Details

A 1640 kg merry-go-round with a radius of 7.50 m accelerates…

A 1640 kg merry-go-round with a radius of 7.50 m accelerates from rest to a rate of 1.00 revolution per 8.00 s. Estimate the merry-go-round as a solid cylinder and determine the net work needed for this acceleration.

Read Details

A wheel rolling on a horizontal surface with an angular spee…

A wheel rolling on a horizontal surface with an angular speed of 2.5 rad/s gets on a ramp and rolls down the ramp with a constant angular acceleration of 2.0 rad/s2. If it takes 11.5 s to reach the bottom of the ramp, what is the final angular speed of the wheel at the bottom?

Read Details

Posts pagination

Newer posts 1 … 46 47 48 49 50 … 79,501 Older posts

GradePack

  • Privacy Policy
  • Terms of Service
Top