Which two types of waves can transmit energy through a vacuum?

1. radio waves

2. seismic waves

3. sound waves

4. water waves

5. x-rays

two ocean liners with masses 10.0 million and 20.0 million kilograms are 50.0 meters apart. How far apart are the two ships if the force beteren them is 1.0 N?

A plane can fly at 385mph in still air. If it can fly 220 miles downwind in the same amount of time it can fly upwind at 165 miles, what is the velocity of the wind?

12. A boy of mass 50 kg running 5m/s jumps on to a 20kg trolley travelling in the same direction at 1.5m/s. Find their common velocity. Assume that there is no external unbalanced force working in the horizontal direction.

How long will it take a car traveling 30 m/s to come to a stop if its acceleration is - 3 m/s^2

Period 1 has 15 students in it and a test average of 86%. Period 2 has 21 students in it and an average of 88%. Period 3 has 12 students in it and an average of 95%. Use weighted means to find the overall average of the classes. 87.3% 88.7% 89.

What is the central core of hair

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet

What does a hurricane hunter do

Why is fluorine special in terms of electronegativity?

The airbag inflates and deflates quickly so