A crate is dragged 4.0 m along a rough floor with a constant velocity by a worker applying a force of 400 N to a rope at an angle of 30∘ to the horizontal.

Defination of thrust

Which drum would make a sound that fades away faster - one that makes a loud sound or one that makes a more mellow sound Why?

When protons fuse together they release an immense amount of __ O heat and energy B. carbons O neutrons O electrons

The hydrogen atom consists of a proton of mass 1.67x10-27 kg and an orbiting electron of mass 9.11x10-31 kg. In one of its orbits, the electron is 5.3x10-11 m from the proton.

The pinion gear A rolls on the gear racks B and C. If B is moving to the right at 10 ft/s and C is moving to the left at 6 ft/s, determine the angular velocity of the pinion gear and the velocity of its center A.

The chemical combination of two or more different atoms in fixed amounts is called a (n) element. compound. orbit. mixture.

Use each of the following terms in a separate sentence. 1. Thermal energy 2. First law of thermodynamics 3. Temperature 4. Specific heat

Describe how to prepare a 10.0% w/v solution of salt in water in a 100 mL volumetric flask

what is the mass of an object that is moving at an acceleration of 25 m/s squared with a force of 20 N

A janitor comes across a spilled substance on the floor of a highschool chemistry lab. he wants to make sure that the liquid is neutral before cleaning it up. what would be safest to add to the puddle? a. pour on a base b. pour on a buffer c.