In his proposed model of the atom, JJ Thomson imagined the atom contained

1. A rope is used to pull a metal box 20.0 m across the floor. The rope is held at an angle of 30.00 with the floor and a force of 525 N is applied. How much work does the force on the rope do?

In the equilibrium experiment, the meter stick is not uniform, and you find that it balances at 45 cm mark. If you cut this meter stick at the 45 cm position, and weigh the two sides, which side will have more mass? a. The smaller side. b.

Q - Describe the direction, speed, and acceleration of an object moving with uniform circular motion. A - An object moving in a circle still wants to move in a straight line.

All organisms require a set of instructions that specify its traits. The instructions that are responsible for all the inherited traits of an organisms

A perfect electric dipole feels a net force in a uniform electric field. 1. True 2. False

Which has more gravitational potential energy - - a cliff diver at the top of the cliff or a cliff diver at the bottom of the cliff?

A skydiver with a mass of 60 kg jumps from an airplane. Five seconds after jumping the force of air resistance is 300 N. What is the acceleration of the sky diver, five seconds after jumping?

How many basic wave forms are there? A.) 1 B.) 2 C.) 3 D.) 4

How much power is reqired to lift a 10-n box 2 meters

Dolphins and other sea creatures can leap to great heights by swimming straight up and exiting the water at a high speed. A 200 kg dolphin leaps straight up to a height of 7.8 m.