What does Newton's second law explain?

A. Why the speed of the ride changes

B. Why roller coasters have seat belts

C. Why roller coasters do not have brakes

D. Why roller coasters start with a big hill

As the distance of a sound wave from its source quadruples, how is the intensity changed?

How can you make a car more energy efficient? Select one: a. idle excessively b. burn more fuel c. paint the car d. tune the engine

A swimmer can swim 4.00 km/h in still water. He heads south across a river that flows east at 2.00 km/h. The river is 0.500 km wide. His velocity wih respect to the ground is

The indicates that 70% of the Sun's radiation is contained on Earth and 30% is reflected back into space.

What is Elasticity? (best answer will get marked brainliest)

What is one of the benefits that scientists have discovered from organisms' daily exposure to radioisotopes? 1. being able to Carbon date fossils 2. X-ray Imaging capability 3. radiation treatment for cancer 4. invention of microwave cooking

Despite valid research, in the late 1900s, women and minorities were thought to have a higher level of intelligence than white males

Radio communications were severely Distributed last week And the local newspaper says that solar activity is to blame. Which type of solar activity could the newspaper be talking about?

Why is it important for car designers to keep accurate records of their experimental procedures

When you bring the negatively charged balloon near a rod, how do the electrons move? The electrons move away from the balloon. The electrons do not move. The electrons move toward the balloon.