How fast was the car going
Police find skid marks 83 m long on the highway showing where the car made an emergency stop. Assuming that the acceleration was -10 m/s2 (about the maximum for dry pavement), how fast was the car going?
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How long will the car take to cross the canyon? (b) What is the maximum height of the cliff on the other side so that the car lands safely?
You discover a binary star system in which one member is a15M Sun main-sequence star and the other star is a 10MSun giant. How do we believe that a star system such as this might have come to exist?
How much would it weigh on the moon 80.0 kg person weight on Mars, where the acceleration of gravity is 3.93 m/s2, and on Earth's Moon, where the acceleration of gravity is 1.63 m/s2?
How fast were the swimmers moving when they hit the water? What would the swimmer's drop time be if the bridge were twice as high?
1. What are some information systems that you use in your work or in your day-to-day life? 2. Describe some of the characteristics of the information systems you identified above. 3. Which of the information systems that you identified above would
She had extended her arm as well as stood on her tip-toes to reach the box. Which primary muscle allowed Ann to extend her elbow and which two primary muscles allowed her to stand on her tip-toes? What were the antagonists to these muscles? For ea
What average force is needed to accelerate a 9.00-gram pellet from rest to 150 m/s over a distance of 0.900 m along the barrel of a rifle?
If the camera is 50 above the ground when it is dropped, how long does it take for the camera to reach the ground?
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