A cyclist averages 50 m/s. If the course is 80,000m long. How many seconds will it take to complete the course?

What does a negative moment of inertia mean?

A 50g ball is falling down. As the ball passes a certain distance its potential energy changes for 2J. Calculate this distance. Does this distance depend on the initial velocity of the ball?

Eclipses of the sun and moon are best explained by which of the following? The irregular shape of the orbits of Earth and the moon The rotation of Earth and the moon on their axis The revolution of Earth and the moon around the sun The different

What is the size of haystack rock?

Projectile motion is a combination of which two types of motion? parabolic and curved straight and diagonal horizontal and vertical constant and linear

What happens when you shoot a bullet into the sky?

If you want to lift a 5-kg box to a height of 2 meters, how much work must be done? O A. 2J O B. 50 J O C. 98 J O D. 100

A diver initially moving horizontally with speed v dives dives offthe edge of a vertical cliff and lands in the water a distance dfrom the base of the cliff.

What is the Isotope notation for a Lithium atom?

Which best describes the direction of heat?