CER: You launch a cannonball at two different angles. One at 30 degrees and the other at 75 degrees. You control (keep the same) as many variables as you can.
To do this you make sure the initial velocity and initial position are the same for
both launches. Which launch will travel higher. Why? Explain in
Claim/Evidence/Reasoning format. Make a claim, list your evidence, and explain
your reasoning.

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.

An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?

A15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°c to 175°c. what is the specific heat capacity of iron?