motorist is driving at 20 m/s when she sees that a fic light 200 m ahead has just turned red. She ws that this light stays red for 15 s, and she wants each the light just as it turns green again. It takes 1.0 s to step on the brakes and begin slowing. What is her speed as she reaches the light at the instant it turns green? Express your answer with the appropriate units. ?

Q: ed to a temperature of 350 degrees Fahrenheit (°F) is taken out of an oven and placed in a (75°F)…

A:

Q: 45. Aloud sound is recorded at three stations that lie on a line as shown in the figure below.…

A: Given that: Station A recorded a sound of 1 second after station B. Station C recorded a sound of 3…

Q: You are walking against the wind. Your normal speed without the wind is 5 M.P.H. How long will it…

A:

Q: Assume that a runner runs a 100 meter sprint in 12.3 seconds. He accelerates steadily in the first…

A: The runner accelerates steadily in the first 25 meters. Let the acceleration be a m/s2 and suppose…

Q: A kid is flying their kite in a wind that is blowing it east at a rate of 50 feet per minute. They…

A: We have to find the rate at which they should continue to let out the string at the given moment to…

Q: 9. A train engineer sees an object on the track 350 feet ahead. They immediately apply the brakes,…

A: The distance traveled by the train in 10 s is given by the integral. d=∫010vdt Apply the Simpson's…

Q: Sammie sees a cat 120 ft to her east. She then runs to the east at a speed of 12 ft/s. If the cat…

A: Consider A be the position of Sammie and B be the position of cat at first. After time t , position…

Q: Find the rate o

A:

Q: A train is starting at noon travels north at 40mph. Another train starting from the same point at 2…

A: Let's find speed of trains at 3 pm.

Q: One statement of Boyle's law is that the pressure of a gas varies inversely as the volume for…

A: In this question, concept of inversely proportionality is used. inversely proportionality One…