A student throws a ball horizontally at 25 meters per second from a cliff 45 meters above the level ground. How far from the base of the cliff does the ball hit the ground? (Neglect air resistance)

Which of the following was a common life form during the Cambrian Period? trilobite bryozoan land plant cephalopod

Shotguns are examples of a) handguns b) long guns c) revolvers d) semiautomatic weapons

A flat horizontal surface with an area of 518 cm^2 is inside a uniform electric field of 1.33 x 10^4 N/C. The angle between the area vector and the electric field is 33.2°. What is the electric flux through the surface?

The weight of spaceman Speff at the surface of planet X, solely due to its gravitational pull, is 389 N. If he moves to a distance of 1.86 * 104 km above the planet's surface, his weight changes to 24.31 N.

What 2 types of evidence are used to classify organisms

Two slits in an opaque barrier each have a width of 0.020 mm and are separated by 0.050 mm. When coherent monochromatic light passes through the slits the number of interference maxima within the central diffraction maximum: Group of answer choices

How much work is done if a 50. ON force is applied on an object in the direction of motion while the object slides 3.00 m across the floor?

A transverse wave on a rope is given by y (x, t) = (0.750cm) cos (π[ (0.400cm-1) x + (250s-1) t]). find the period

Which best describes why a physical change differs from a chemical change? A. A physical change predicts the behavior of a substance when in a reaction, whereas a chemical change is used to identify characteristics of a substance. B.

You are watching children play a game of tug-o-war with an old plastic clothesline. The two teams are pulling at opposite ends of the cord and each team is trying to drag the other team into a mud puddle that lies between them.