given the perimeter of a rectangle and either the length or width, find the unknown measurement using the appropriate formula. The perimeter is 54cm, and the length is 15cm.

Use the drop-down menus to identify the parts of DNA. Label A: Label B:

If 0.20 kg of iron at 100 C is added to 1.00 kg of water at 20.0 C what is the final temperature of the system

A parachutist relies on air resistance (mainly on her parachute) to decrease her downward velocity. She and her parachute have a mass of 51.1 kg and air resistance exerts a total upward force of 657 N on her and her parachute.

What will his final velocity be and how far will fall?

Where on earth is the tilt of the axis least likely to affect the seasons? why?

How do inertia and centripetal force combine to keep an object moving in circular motion?

Compare and contrast the average kinetic energy of 0.5 L of coffee at 34°C, 0.5 L of coffee at 38°C, and 0.25 L of tea at 43°C.

A 7700-kg box car traveling at 14 m/s strikes a second car at rest. The two stick together and move off with a speed of 5.0 m/s. What is the mass of the second car?

What will happen if there is a change in a magnetic field?

Question 2 10 pts The voltage in a particular circuit is 10.0 V. The current in the circuit is 20 A. What is the resistance? A. 2.0 B. 30 C. 200 D. 0.5