If a ball is thrown straight up into the air with an initial velocity of 45 ft/s, it height in feet after t second is given by y=45t-16t2. Find the average velocity for the time period begining when t=2 and lasting. 0.1 seconds?

Light travelling in one material enters another material in which it travels faster. The light wave will:

The angular speed of the minute hand of a watch is:

A spring stretches by 18 cm when a bag of potatoes weighing 56 N is suspended from its end. How much elastic potential energy in J is stored in the spring when it is stretched this far?

Intermolecular forces hold together which of the following? atoms molecules charged particles compounds

What are the factors that keep a satellite in orbit

The elements with the largest atomic radii are found in the

Students will explain, distinguish the difference between the 4 states of matter

Name one way that a mixture can be separated

The Huka Falls on the Waikato River is one of New Zealand's most visited natural tourist attractions. On average, the river has a flow rate of about 300,000 L/s. At the gorge, the river narrows to 20-m wide and averages 20-m deep.

Name six processes that are often involved in scientific inquiry.