What is the magnitude of the displacement of a car that travels half a lap along a circle of radius of 150m?

Calculate your average walking speed when you step 0.80m in o. 50s

How do astronomers learn about the internal structure and evolution of stars? How does a new star form? What causes a supernova to occur? Explain. Is the lifetime of a massive star shorter or longer than a star like the Sun? Why?

How does the force placed on an object affect how it moves?

A merry-go-round has a mass of 1415 kg and a radius of 6.4 m. How much net work (in J) is required to accelerate it from rest to a rotation rate of 1.00 revolution per 7.00 s? Assume it is a solid cylinder.

In forced convection, the fluid is forced to move by external means such as a fan, pump, or the wind. You must provide an answer before moving to the next part. A. TrueB. False

10 PTS. A resistor has a value of 2.2 x 10⁵ Ω ± 20%. What is the range of possible values for this resistor?

Describe 3 uses of radioactivity isotopes

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.

If the average movement of the particles in a sweater increases, what will happen to the sweater's temperature?

Will you die if you eat wax?