How fast is each cyclist going in units of meters per second

Which of these statements accurately describe uses of ultrasound technology? Check all that apply. It is unsafe to use for industrial applications. It can be used to clean small items like jewelry. It can be used to clean large items like machinery.

Can we see the back side of the moon from earth?

Which of the following is MOST useful to scientists in measuring the size of asteroids? A) The speed at which the asteroid is traveling. B) The location of the asteroid in the Solar System.

Two vectors having magnitudes of 5.00 and 9.00 respectively. If the value of their dot product is 12.0, find the angle between the two vectors.

Suppose Galileo dropped a lead ball (100 kilograms) and a glass ball (1 kilogram) from the Leaning Tower of Pisa. Which one hit the ground first? (Assume that there is no air resistance.) A. lead ball B. glass ball C. both at the same time D.

How much potential energy does a 40-N medicine ball gain when it is lifted 5 m? Select one: a. 20 J b. 100 J c. 200 J d. 1,000 J

During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 1.4 km/s at an initial inclination of 65.8 ◦ to the horizontal. The acceleration of gravity is 9.8 m/s 2.

How do sound waves transfer energy? compression waves surface waves transverse waves light waves

If you lift the front wheel of a poorly maintained bicycle off the ground and then start it spinning at 0.69 rev/s, friction in the bearings causes the wheel to stop in just 13 s. If the moment of inertia of the wheel about its axle is 0.

How would you describe the shape of the trajectory of a projectile