while a block slides forward 1.35 m, a force pulls back at a 135 direction, doing - 17.8 J of work. what is the magnitude of the force? (unit=N)

Every charged particle in the universe is surrounded by its own? A. both an electric and gravitational field B. Gravitational field C. Charged field D. Electric field E. Both and electric and charged field

Describe the relationship between radius and mass?

Does increased velocity on an object result in a positive acceleration

Match to the according description 1. red supergiant 2. black hole 3. white dwarf 4. planetary nebula A. a low-mass star that has shed its outer layers B. attracts all matter and energy that come nearby C.

Which has more momentum, a heavy truck moving at 30 miles per hour or a light truck moving at 30 miles per hour?

A magnet is pushed into the center of a wire loop and then stops. what is the current in the wire loop when the wire stops moving? explain.

Which feature do highland climates have that lower elevation area do not? A tundra where there are no trees A tree line beyond which trees do not grow Permafrost, or a part of the ground that is permanently frozen An ice cap, or a permanent cover of

As shown in the figure below, Cindy rushes 30 mtoward her truck. She notices she forgot her lunch and returns back to the house. Her total travel time is 90s a. What is Cindy's average velocity over the 90s period? b.

Un atleta que recorre 100 m en 12 s

Assuming equal rates of acceleration in both cases, how much farther would you travel if braking from 59 mi/h to rest than from 25 mi/h?