If the weight of an object of mass "m" is "mg," then the weight of an object of mass "2m" is

A. mg/2

B. mg

C. 2mg

D. 4mg

The metric prefix that means ten (10) is

To stretch a certain nonlinear spring by an amount x requires a force F given by F = 40 x - 6 x 2, where F is in Newtons and x is in meters.

A highspeed train travel with an average speed of 227km/hr. The train travels for 2 hrs how far does the train travel

A snail travels 300 cm in 1 hour. Calculate the snail's speed in each of the following units A. centimeters per hour (cm/h) B. centimeters per minute (cm/min) C. meters per hour (m/h)

You're going to open the door further by giving it a brief, hard push. first, you'll push the door at its center. then, you'll push it near the door knob. both pushes are equally hard, and last the same length of time.

A circuit is built based on the circuit diagram shown. A diagram of a closed circuit with a power source on the left labeled 60 V. There are 3 resistors in parallel, separate paths, connected to it labeled 40 Ohms, 50 Ohms and 30 Ohms.

After harvesting their main crops, such as corn and wheat, many farmers plant a second crop called a cover crop. This cover crop grows during the fall and winter and is then plowed over in the spring. What is the main purpose of a cover crop? A.

A light wave is traveling straight up out of the ocean then moves out into the air how do you expect the movement of the light wave to change the light wave will

To verify that this expression for (vf) α has the correct units of velocity, you need to perform some unit analysis. begin by finding the equivalent of a volt in terms of basic si units.

Which of the following best describes transverse waves