A man is pulling on a rope with a force of 63 N directed at an angle of 61◦ to the horizontal. What is the y-component of this force?

A hammer falls off the top roof and strikes the ground with a certain kinetic energy. If it fell from a roof twice as tall how would the kinetic energy compare?

Which statements describe planetesimals? Select three options. They are the origins of planets. They formed from gas and dust. They were created during the big bang. They are believed to have developed in debris disks.

Whats the core of electromagnet made of?

If you were able to jog one mile in 10 minutes, how would you progressively increase your performance by using each of the following? Be specific by using numbers in your answers. 1. (F) frequency variable? 2. (1) intensity variable? 3.

When was the first airplane made?

A ball is rolling straight across the floor until Bradley kicks it. 1. Newton's first laws 2. Newton's second laws 3. Newton's third laws

How can weathering and erosion be a problem?

Which of the following is not a fundamental quantity? A. time B. weight C. mass D. length E. electric charge

A car moving at a steady 10 m/s on a level highway encounters a bump that has a circular cross-section with a radius of 30 m. The car maintains its speed over the bump. What is the normal force exerted by the seat of the car on a 60.

Determine the magnitude of the force p required to hold the 180-kg crate in equilibrium.