1.A car moving with a speed of 108 km/h is brought to rest in a distance of 60 m. How much time did the car take to stop?
2.A student standing on the ground next to a tall building throws a ball straight up with a speed of 39.2 m/s. If it takes the ball 4 seconds to reach the same height as the top of the building, how tall is the building?
3.A boy throws a ball with an initial velocity of 19.6 m/s and it returns to his hands in 4 seconds. What maximum height does the ball reach?
4.A man walks for 5 km/hr for 1 km and 7 km/hr for next 1 km. What is his average speed for the walk of 2 km?
1.0 km/hr2 AnswersPhysics2 months ago
D.1/138 AnswersMathematics10 months ago
Which of the following situations can be modeled by a discrete random variable? Choose ALL that apply.
A.The number of shots made during a basketball game.
B.The temperature in your city on August 1.
C.The height of a randomly-selected student.
D.The number of sunny days in May.2 AnswersMathematics10 months ago
Suppose you purchase a raffle ticket for $10.00. First prize is $500, second prize is $125, and third prize is $75. If 500 tickets are sold, what should you expect to win or lose? Round the answer to the nearest cent.
$9.45 gain3 AnswersMathematics10 months ago