A jongleur was a

A.) troubadour for the kings.

B.) medieval minstrel who provided entertainment.

C.) skilled craftsman who built jongles.

Assume: Moving to the right is positive. A (n) 7.7 g object moving to the right at 22 cm/s makes an elastic head-on collision with a 18 g object moving in the opposite direction at 14 cm/s. 7.

A painter uses a fixed pulley to raise a 1-Kg can of paint a distance of 10 cm. Calculate the ideal mechanical advantage.

A highway curves to the left with radius of curvature of 36 m and is banked at 28 ◦ so that cars can take this curve at higher speeds. Consider a car of mass 1717 kg whose tires have a static friction coefficient 0.87 against the pavement.

In a simple electric circuit, a 110-volt electric heater draws 2.0 amperes of current. The resistance of the heater is

Two objects, X and Y, move toward one another and eventually collide. Object X has a mass of 2M and is moving at a speed of 2v0 to the right before the collision.

A person, with a mass of 50.0 kg, stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5.0 m/s 2 . What would be the reading on the scale? (A) 490 N (B) 250 N (C) 740 N (D) 240 N

A student analyzes data of the motion of a planet as it orbits a star that is in deep space. The orbit of the planet is considered to be stable and does not change over time. What can the student say about this initial observation?

The planet Jupiter has a mass that is equal to 318 times Earth's mass, an orbital radius of 5.21 AU, and an orbital velocity of 13.1 km/s. Earth's orbital velocity is 29.8 km/s.

I need this like right now! Which of the following indicates that an exothermic reaction has occurred? Temperature increases Heat is absorbed Salt is produced Water is formed

Is time the fourth dimension?