Is a persons DNA likely to be more similar to the DNA of his biological parents or to the DNA of one of his first cousins

A mechanical wave can be defined by

A charged rod carrying a negative charge is brought near two spheres that are in contact with each other but insulated from the ground. If the two spheres are then separated, what kind of charge will be on the spheres?

A loop of wire lays flat on a horizontal surface in an area with uniform magnetic field directed vertically down. Magnetic field suddenly grows stronger. While magnetic field is changing, the induced current in the loop as viewed from above is: A.

If you know the input distance and output distance of a machine, which quantity can you calculate? A. work B. efficiency C. actual mechanical advantage D. ideal mechanical advantage

What TWO properties of force can be shown using a force arrow?

How Much Potential Energy Does A 50kg block of Ice a Height of 4m Have?

In a summer storm the wind is blowing with a velocity of 8m/s north. Suddenly in 3 seconds, the winds velocity is 23m/s north. What is the winds acceleration?

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?