A 274-gram ball is thrown at a speed of 39.4 m/s from the top of a 42.6-m high cliff. Determine the impact speed of the ball when it strikes the ground. Assume negligible air resistance. Answer: m/s (round to the nearest hundredth)
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- A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.820 m/s at an angle of 31.0° above the table, and it lands on the magazine 0.0610s after leaving the table. Ignore air resistance. How thick is the magazine? Express your answer in millimeters.A man stands on the roof of a 15.0-m-tall building and throwsa rock with a speed of 30.0 m/s at an angle of 33.0 above the horizontal.Ignore air resistance. Calculate the speed of the rock just before it strikes the groundA diver jumps off a cliff of h at an angle of 0 =38° (see figure below). He reaches a maximum height of hmaz x = 42m from the base of the cliff. Determine the speed of the diver just before he hits the water, = 3m above the top of the cliff before falling to the water below. He hits the water VA =?.Express your answer in units of m/s. Take g 9.80m/s2. Round your answer to zero decimal places. Jrmax Answer:
- A man stands on the roof of a 15.0-m-tall building and throwsa rock with a speed of 30.0 m/s at an angle of 33.0 above the horizontal.Ignore air resistance. Calculate the maximum height above the roof that the rock reachesA pebble rolls off the roof of Science Hall and falls vertically. Just before it reaches the ground, the pebble's speed is 17 m/s. Neglect air resistance and determine the height of Science Hall.A monkey escapes from a zoo and climbs a tree to a height h = 4.00 m. Since she is unable to attract him, the caretaker aims her rifle with a sedative dart directly at the monkey and fires the dart with a speed of vd = 20.00 m/s (see figure). The cunning monkey is released the instant the dart leaves the barrel of the rifle, trying to fall to the ground and escape The caretaker is at d = 10.0 m from the base of the tree. Find the height of the monkey when the sedative dart penetrates the monkey's skin.
- A man stands on the roof of a 15.0-m-tall building and throwsa rock with a speed of 30.0 m/s at an angle of 33.0 above the horizontal.Ignore air resistance. Calculate the horizontal range from the base of the building to the point where the rock strikes the ground.How high does a rocket go if 8.45 km/skm/s ? Ignore air resistance and the Earth's rotation.Immediately after the bouncing golf ball leaves the floor, its components of velocity are Vx = 0.888 m/s, and Vy = 3.504 m/s. Determine the horizontal distance (meters) from the point where the ball left the floor to the point where it hits the floor again. Answer is 0.634. No other answer thanks.
- A stone is dropped into a very deep hole in the ground and it hits the bottom after falling for 2.80 s. (a) How deep is the hole? (b) What is the impact velocity of the stone?A baseball with mass of 0.14 kg is batted into the air. It's initial speed is 38.1 m/s directed at an angle 26 degrees above the horizontal. Of the height of the ball when it was struck by the bat is 35 cm how high off the ground is the ball when it reaches the highest point in its trajectory?A ball is kicked at ground level with an initial velocity of 19 m/s in the horizontal direction and 12 m/s in the vertical direction. The ball hits the ground at a speed of 22.47 m/s and remains in the air for 2.4 seconds. What maximum height is attained by the ball in meters?