A 63 kg astronaut drifting with 7.0 m/s to the right with

respect to a spacecraft uses a jetpack to slow down.

Suppose it takes 14.0 s to come to a stop with respect to the spacecraft. What is the force exerted by the jetpack?

Based on the law of conservation of energy, which statement is false? a. Energy is lost when machines don't work right. b. We can't add more energy to the universe. c. We can't destroy energy that exists in the universe. d.

When resistance force is increased on a lever which of the following happens to the effort force?

The intensity level is 65 db at a distance 5.00 m from a barking dog. What would be a reasonable estimate for the intensity level if two identical dogs very close to each other were barking? You can ignore any interference effects.

The electron drift speed in a metal wire is exceedingly slow. Yet, when you turnon the light switch the light begins to illuminate almost immediately. Explain whyt his is not a paradox?

Under what conditions does the net force acting on an object equal the sum of the individual forces?

A vehicle with a manual transaxle can be cranked and started without depressing the clutch pedal. Technician A says the clutch is not releasing when the pedal is depressed. Technician B says the most likely cause is a defective clutch safety switch.

Which of these signs is an example of a highway construction and maintenance sign

If argon could exist as a solid, what would best represent the speed through solid argon?

An atom of sodium has a larger mass than an atom of neon. How is this possible when neon has so many more valence electrons? What particles make up most of the mass of an atom? What takes up most of the volume of an atom?

Sara takes a 40-minute bus ride from her home to her grandparents' home, which is 8 km away. What is the average speed of the bus?