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

how do Swati and Banks adjust their body position during a skydiving jump so they can fall at the same rate

Describe how Ridge Push drives plate motion and discuss how it works to move Earth's plates

A spacecraft is flying towards the Moon. what will happen to the moon's gravitational pull on the spacecraft. A. Increase. B. Remain the same. C. Decrease. D. repeal the spacecraft

The gravitational force between two giant lead spheres is 0.010 N when the centers of the spheres are 20 m apart. What is the distance between their centers when the gravitational force between them is 0.160 N?

What particle is NOT located in the nucleus? A. proton B. electron C. neutron D. quark

Acceleration is a scalar quantity true or false

Find a numerical value for rhoearth, the average density of the earth in kilograms per cubic meter. Use 6378km for the radius of the earth, G=6.67*10-11m3 / (kg⋅s2), and a value of g at the surface of 9.80m/s2.

The driver of a car traveling at 32 m/s applies the brakes and undergoes a constant deceleration of 2.25 m/s^2.

The ability of an object to vibrate by absorbing energy at its natural frequency is called?

A hurricane in the Gulf of Mexico to 15 hours to travel 360 kilometers. What is the average speed of this hurricane in kilometers per hour?