What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N

An object with a mass of 11.5kg falls 6.69m what will the air's internal energy increase by from this falling object?

An airplane is heading due south at a speed of 640 km/h. If a wind begins blowing from the southwest at a speed of 70 km/h (average), calculate the following. (a) the velocity (magnitude and direction) of the plane relative to the ground 643.

A small glass bead has been charged to + 30.0 nC. A small metal ball bearing 2.60 cm above the bead feels a 1.80*10-2 N downward electric force. Part A What is the charge on the ball bearing? Express your answer with the appropriate units.

Tera performed multiple experiments to determine the best growing conditions for Azaleas. In one experiment, she tested the effect of using different types of soil.

How do scientists know that dark matter exists? a. it absorbs radio waves. b. it emits electromagnetic radiation. c. it exerts a gravitational pull on other matter. d. it blocks the light coming from other objects.

When did our Solar System begin to form? When did our Solar System begin to form? 5 million years ago 5000 years ago 5 trillion years ago 5 billion years ago

Which describes how radiation moves? radiation moves from a cooler object to a warmer object radiation moves from a warmer object to a cooler object radiation moves from a warm object to an object of the same temperature radiation moves from a cool

Why does the closed top of a convertible bulge when the car is riding along a highway? Why does the closed top of a convertible bulge when the car is riding along a highway? The air pressure is greater outside the car than inside.

Is a white shirt cooler or warmer in the sunlight?

A stone is thrown vertically upward with a speed of 18.0. (a) How fast is it moving when it reaches a height of 11.0? (b) How long is required to reach this height? For part A) I did: y=11m, g=9.