What best describes the relationship between wavelength and frequency in an electromagnetic wave? always equal

What are some uses of the mineral gypsum? Select 2 choices.

What would be the orbital speed and period of a satellite in orbit 0.82 ✕ 108 m above the earth?

Why did the wright brothers construct their own wind tunnel?

The emf of a battery is: Group of answer choices the force per charge it provides the energy it provides the work per Coulomb it provides the power it provides the current it provides

7. Why do some bulbs heat up more than others?

A hot-air balloon is 150 feet above the ground when a motorcycle passes directly beneath it (traveling in a straight line on a horizontal road). The motorcycle is traveling at 40 mph.

How do I calculate initial speed by using the slope of a graph? The graph shows the relationship between S { (sin2ϴ) / g} and the average range of a projectile in meters.

You push a 50 kg wooden box across a wooden floor at a constant speed of 1.0 m/s. The coefficient of kinetic friction is 0.15. Now you double the force on the box. How long would it take for the velocity of the crate to double to 2.0 m/s?

A star is in hydrostatic equilibrium when the outward push of pressure due to core burning is exactly in balance with the inward pull of gravity.

How are mass and weight different? a. Mass is the space an object takes up and weight is the effect of gravity on mass. b. Mass is the amount of matter and weight is the effect of gravity on mass. c.