Do we see planets because, like the sun, they are sources of light?

When is systolic pressure measured? When is diastolic pressure measured?

Describe a practical way to determine in which constellation the Sun is found at any time of the year.

Calculate the change in the kinetic energy (KE) of the bottle when the mass is increased. Use the formula KE = mv2, where m is the mass and v is the speed (velocity). Assume that the speed of the soda bottle falling from a height of 0.

How much time will it take a car traveling at 88 km/hr (55 mi/hr) to travel 500 km?

What does the wave move through

Calculate the speed for a car that went a distance of 125 miles in 2 hours time

A small 25 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?

A car traveling on a flat (unbanked), circular track accelerates uniformly from rest with a tangential acceleration of 1.85 m/s2. The car makes it one quarter of the way around the circle before it skids off the track.

A train travels 120 km in 2 hours and 30 minutes what is the average speed

How many constellations are there?