A 60 kilogram astronaut weighs 96 newtons on the surface of the moon. calculate the acceleration due to gravity on the moon.

How many 5 cm squares

A 60 kg student in a rowboat on a still lake decides to dive off the back of the boat. The studen'ts horizontal aceleration is 2.0 m/s2 while in contact with the boat.

A spring had a spring constant of 48N/m. The end of the spring hangs 8m above the ground. How much weight can be placed on the spring so that the end of the spring is 2m above the ground

A train departs from its station at a constant acceleration of 5m/s2. What is the speed of the train at the end of 20 seconds

2. An optical fibre is 1200km long and it takes light 0.006s to travel from one end to the other. Calculate the speed of light in glass. 2. An optical fibre is 1200km long and it takes light 0.006s to travel from one end to the other.

If two parallel light rays hit a plane mirror, what will be their orientation to one another after they reflect? a. they will remain parallel. b. they will be perpendicular. c. it depends on the initial spacing between the light rays. d.

To extend the electrical system between the main panel and the secondary panel, the electricians used A. Receptacles B. Circuit breakers. C. feeders. D. insulators

Men in the age of 18-34 years need to be able to run a marathon in 3 hours and 10 minutes to qualify for the Boston Marathon. How many seconds is this? Show your work.

What is the center of our solar system?

A - 4.0-µC charge is located 0.45 m to the left of a + 6.0-µC charge. What is the magnitude and direction (to the right or to the left) of the electrostatic force on the positive charge?