A plane takes 4 hrs to fly 4200 km. What was the plane's velocity in km/hr?

In lab you find that a 1-kg rock suspended above water weighs 10 N. When the rock is suspended beneath the surface of the water, the scale reads 8 N. a. What is the buoyant force on the rock? b.

What is the color of visible light of the lowest frequencies? Of the highest frequencies?

The precision of a laboratory instrument is ± 0.05 g. The accepted value for your measurement is 7.92 g. Which measurements are in the accepted range? Check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g

A 5000N block is lifted 1000cm. How much work was done?

An object cannot remain at rest unless which of the following holds? a. The net force acting on it is zero. b. The net force acting on it is constant and nonzero. c. There are no forces at all acting on it. d. There is only one force acting on it.

In the game of volleyball, what skill relates to Newton's second law

The minimum breaking distance d in feet for a typical vehicle can be modeled with the equation d (v) = 0.045v2, where v is the vehicle's speed in miles per hour.

A 2kg blob of putty moving at 4 m/s slams into a 6kg blob of putty at rest what is the speed of the to stick together blobs immediately after colliding

A stone is thrown vertically upward with a speed of 12m/s from the edge of a cliff 70 m high (a) How much later it reaches the bottom of the cliff? (b) What is its speed just before hitting? And (c) what total distance did it travel? (Ans: 5.

After completing a career search, Patrick has decided that he wants to be a paralegal. Which two skills or abilities are important for him to have in order to excel in this career?