An alpha particle

1) is identical to a helium nucleus

2) can penetrate a sheet of aluminum

3) has a negative charge

4) all of these

Which type of wave has a wave perpedicular to the disturbance? mechanical surface longitudinal tranverse

What property of matter must be overcome in order for the gummy bear to shoot out of the cup?

How does friction affect basketball ad what is an example?

Which of the following particles has a positive charge? proton neutron electron

How much energy is needed to heat 3 kg of water through the following changes? 1. Heat 3 kg ice from - 10 C to 0 C 2. Melt 3 kg ice at 0 C 3. Heat 3 kg water from 0 C to 100 C 4. Vaporize 3 kg water at 100 C 5. Heat 3 kg steam from 100 C to 110

A charge if 2 nC is placed 10cm to the right of a conducting sphere with a diameter of 2 cm. A charge of 5 nC is placed 10 nC to the left of the same sphere. determine the charge at the center of the sphere.

1) How is chemical energy transformed into potential energy?

A double-paned window has two glass panes separated by a layer of air. Why is air, rather than glass, used to fill this space?

To determine waves frequency you must know the what

What is the average speed in miles per hour of the car that traveled a total of 200 miles in 5.5 hours