a bus is moving at 25m/s. the driver steps on the brakes, and the bus stops in 8 s. what is the average acceleration of the bus while breaking?

An object with a mass of 1.5 kg changes its velocity from + 15 m/s to + 22 m/s during a time interval of 3.5 seconds. What impulse was delivered to the object? 3.0 N • s 11 N • s 25 N • s 56 N • s

Through which one of the following mediums is the velocity of a sound wave the greatest?

Why would genetic material need to be able to reproduce

What releases or produce a cloud of electrons?

Which of the following metric system units is used when measuring large quantities of water? Gallons Liters mL Cup

A hole of radius r is bored through the center of a sphere of radius r. Find the volume v of the remaining portion of the sphere.

What is a sentence for refraction

A stimulus with a low predictive value means that

In otherwise empty space is a system of 4 particles, each of the same mass. The accelerations of the particles are as follows: a1 = ˆi a a2 = ˆj a 2 a3 = - (ˆi + ˆj) (2 a) a4 = (ˆi - ˆj) (3 a), where a > 0 is a constant.

How many electrons does a neutral atom of oxygen-18 have? 8 O 16.00 A. 8 B. 10 C. 18 D. 16