How far away is a cliff if an echo is heard 0.486 s after the original sound? Assume that sound traveled at 343 m/s on that day.

Professor Goetz took a heavy marine 100 foot, 0.75 lb per foot rope and through it through his office window. One end of the rope touches the ground. Professor Goetz missed his lunch and can only exert 300kcal (the equivalent of a healthy sandwich).

Michael is the captain of his school's soccer team. What skill does Michael exhibit when he decides which player will take the penalty kick? A. conflict resolution B. sportsmanship OC. leadership D. teamwork

At what time of year is the intensity of solar radiation striking each of earth's hemispheres weakest?

A car moving at 4.5 m/s accelerates at 2.5 m/s2 (The two is squared) After 7s, it will be moving how fast?

A force of one newton is equivalent to

What do we call it when an object exerts force on another for a short period of time? * Momentum Work Impulse Friction

The strength of the electric field 0.5 m from a 6 µC charge is positive N/C. (Use k = 8.99 * 109 N• and round answer to the nearest whole number.)

Which of the following equations correctly expresses the relation between vectors A⃗, B⃗, C⃗, and D⃗ shown in the figure?

Oliver, whose mass is 65 kg, and Olivia, whose mass is 45 kg, sit 2.0 m apart in the physics classroom. What is the force of gravitational attraction between Oliver and Olivia

Which is an application of radio waves? allow doctors to see inside a person's body carry information between cell phones sterilize surgical instruments reheat or cook food quickly and easily