How much physical activity do adults need?

A. 60 minutes per day

B. 150 minutes per week

C. 20 minutes every other day

D. 90 minutes per week

Which of the following biomes is transitional between desert and forest? taiga savanna temperate grassland tundra

Water cools from2oC to - 2oC. During this time, what happens to the motion of the molecules? A) The motion of the molecules stops. B) The motion of the molecules increases. C) The motion of the molecules decreases.

a copper rod of length 27.5 m has its temperature increases by 35.9 degrees celsius. how much does its length increase? (unit=m)

Jannah is looking for an internship that will advance and support her love of astronomy. She is 17 years old, has a 4.

If a lamp has a resistance of 136 ohms when it operates at a power of 1.00 * ^2, what is the potential difference across the lamp?

A motor-driven winch pulls a 50.0 kg student 5.00 m up the rope at a constant speed of 1.25 m/s. how much power does the motor use in raising the student? how much work does the motor do on the student?

By what percent must one increase the tension in a guitar string to change the speed of waves on the string from 301 m/s to 343 m/s?

A plane is traveling from one location to another 10,000 miles away. If the plane travels at a speed of 575 miles per hour, how long will it take to get there?

At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom scale. In calm waters, the scale reads 183 lb. During the storm, the crewman finds a maximum reading of 230 lb and a minimum reading of 138 lb. A.

A 1.5m wire carries a 2 A current when a potential difference of 52 V is applied. What is the resistance of the wire?