Reflecting telescopes use mirrors as well as lenses. true or false

A car drives at 30km/h around a roundabout. I still the car accelerating?

A spacecraft is traveling in interplanetary space at a constant velocity. What is the estimated distance traveled by the spacecraft in 9.50 seconds?

How is an estuary different from a lake

Two ice skaters stand at rest in the center of an ice rink. when they push off against one another the 45-kg skater acquires a speed of 0.62 m/s. if the speed of the other skater is 0.89 m/s, what is this skater's mass?

Ms Garcia walks from Taco Palenque to the post office in 5 minutes. Taco Palenque is located 0.30 km from the post office. What was her speed?

a fast ball travels at about 161kilometers/hr if this fast ball could keep its speed how long would it take this ball to travel 0.15 terameters?

You are traveling upstream on a river at dusk. you see a buoy with the number 4 and a flashing red light. what should you do?

If it takes 42 minutes to load 3 1/2 trucks, how many minutes will it take to load 6 1/2 trucks?

Which property of gold is a physical property? A. ability to bond B. reactivity C. ability to rust D. malleability

On a spring break vacation you decide to visit the grand canyon near flagstaff, arizona. then you head south to visit some friends in phoenix, arizona. while on the drive you notice that the temperature is increasing along the route.