A ball is thrown Horizontally with a velocity of 05 m/sFrom the top of a tall cliff . What is the speed of the ball 2 seconds later ? What vertical distance had the ball fallen 2.0 seconds later ?
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- A ball falls from the roof of a building and takes 4 seconds to reach the ground. a) What is the height of the building?b) What is the magnitude of the speed with which it hits the ground?PLEASE WRITE THE ANSWER IN 10 MINUTES ! ! ! A projectile is launched from the ground as shown in the figure below with an initial speed of V0=47m/s with TETA=42DEGREE and lands on the landing point shown. If X=43m, determine the height of the landing point. Take g=9.81m/s2 and express our answer in units of meters using one decimal place.A soccer player kicks a rock horizontally off a 32 m high cliff into a pool of water. If the player hears the sound of the splash 2.72 s later, what was the initial speed given to the rock (in m/s)? Assume the speed of sound in air is 343 m/s.
- A treasure hunter follows a map moving 25 km [N], 37 km [W 37 degrees S], 63 km [E 65 degrees S] and finally 15 km [N 17 degrees E]. If his average for the entire trip was 45 km/hr, calculate: a. The total time for the trip; and b. The average velocity of the tripYou throw an object up with a speed of Voy=1m/s from a height of y=25m. What is the object's final velocity, in meters per second, as it impacts the ground?A swimmer bounces almost straight up from a diving board and falls vertically feet first into a pool. She starts with a speed of 3.2 m/s, and her takeoff point is 1.85 m above the pool's surface. For how long are her feet in the air, in seconds? What is the height above the board, in meters, of her highest point? What is her velocity, in meters per second, when her feet hit the water? Assume the vertical component of the velocity is positive upwards.
- Excellent human jumpers can leap straight up to a height of 110 cm off the ground. To reach this height, with what speed would a person need to leave the ground?A rocket rises vertically, from rest, with an acceleration of 3.2 m/s2m/s2 until it runs out of fuel at an altitude of 800 mm . After this point, its acceleration is that of gravity, downward What maximum altitude does the rocket reach? How much time (total) does it take to reach maximum altitude? With what velocity does it strike the Earth? How long (total) is it in the air?A person tosses a ball for her puppy to retrieve. The ball leaves herhand horizontally with a speed of 4.6 m>s. If the initial height ofthe ball is 0.95 m above the ground, how far does it travel in thehorizontal direction before landing?
- You are traveling in a convertible with the top down. The car is moving at a constant velocity of 14.7 m/sdue east along flat ground. You throw a tomato straight upward at a speed of 6.76 m/s. How far has the car moved when you get a chance to catch the tomato?A ball is thrown upward from the top of a 24 m tall building. The ball’s initial speed is12 m/s. At the instant, a person is running on the ground at a distance of 31 m fromthe building. What must be the average speed of the person if he is to catch the ballat the bottom of the building?A bird is flying due eat. Its distance from a tall building is given by x(t) = 28.0 m + (12.4 m/s)t - (0.0450 m/s3)t3. What is the instantaneous velocity of the bird when t = 8.00s?