What is an alpha particle composed of?

O

A. Two protons and two neutrons

O

B. A positively charged positron

O

c. A negatively charged electron

O

D. Electromagnetic radiation

Milk containing 3.7% fat and 12.8% total solids is to be evaporated to produce a product containing 7.9% fat.

Can a compound be broken down into simpler substances

An object is thrown directly up (positive direction) with a velocity (vo) of 20.0 m/s and do = 0. how high does it rise (v = 0 cm/s at top of rise). remember, acceleration is - 9.80 m/s2.

Which are examples of bases? Check all that apply. A. Water B. Bleach C. Antacids D. Soap

The acceleration of high-speed aircraft is sometimes expressed in g's (in multiples of the standard acceleration of gravity). Determine the upward force, in N, that a 78.03-kg person would experience in an aircraft whose acceleration is 5.05 g's.

A cinder block is sitting on a platform 20m high. It weighs 79N.

What type of energy I'd converted into machanical energy when a person walks

A small cylinder made of a diamagnetic material is brought near a bar magnet. One end of the cylinder is brought near the North pole of the magnet and is repelled.

What is the definition of continuous spectral?

If a car is traveling at a velocity of + 10m/s suddenly turns around and continues at the same speed, what is its new velocity?