A person launches a rock with an initial speed of 250 m/s at an angle of 45 degrees above the horizontal. What is the speed of the rock when it reaches its maximum height? Give your answer to 2 significant figures.

Q: A crazy, young boy on a sled is able to get up to an incredible speed of 22.5 m/s (yes, he is…

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Q: A tennis player hits the ball. The net is 15 m away. (a)lf the player hits the ball from a height of…

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Q: During the siege of Constantinople that led to its conquest by the Ottomans in 1453, the Hungarian…

A: For projectile motion  Range(R), time of flight (T) and maximum height (H) of the projectile if it…

Q: Three identical rocks are thrown from the top of a building. Rock #1 is thrown horizontally with a…

A: We know for a motion under constant acceleration a, the relation between initial speed (v0), final…

Q: A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed…

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Q: In the Marvel comic series X-Men, Colossus would sometimes throw Wolverine toward an enemy in what…

A: Given that, The initial velocity is vi=19.3m/s projection angle from horizontal is θ=34.9o Initial…

Q: ou are playing Hot Rod toy cars with your nephew and niece. Your nephew wanted to show off how fast…

A: The height of the table is h = 1.1 m Initial velocity in horizontal direction is v = 3 m/s

Q: After 3 seconds the speed of the rock is ____ m/s.

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Q: You walk in the direction of the unit vector (1, 0, 0) a distance of 24 m at a constant speed of 3.0…

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Q: A golf ball leaves the ground with an initial velocity of 50m/s in the horizontal direction and 40…

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Q: A stone is thrown from ground with a speed of 50 m/s at an angle of 60 above horizontal towards a…

A: The stone travels in a projectile motion, as shown in the figure below: Let h be the height above…

Q: On planet #2, you launch a projectile straight up from the ground at a speed of 51.2 m/s. The…

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Q: You are playing Hot Rod toy cars with your nephew and niece. Your nephew wanted to show off how fast…

A: Given: The height of the dining table is (h) =1.0 m The initial velocity of the toy car in a…

Q: two balls are thrown simultaneously one straight up from the base of the bridge with a speed of 9.0…

A: The values given in the problem are: The velocity of ball 1 is given as: u1=9.0 m/sThe velocity of…

Q: v = 5 m/s BALL A h = 20 m BALL B v = 5 m/s h = 10 m

A: As there is no other force into the action, only gravity can effect the motion of the ball the…

Q: A basketball player throws the ball at a 48degree angle above the horizontal to a hoop which is…

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Q: Francisco kicks a soccer ball with speed 35.8 m/s at an angle of 30.0 degrees above the horizontal.…

A: Given data: Initial velocity (v0) = 35.8 m/s Angle (θ) = 30.0°, above the horizontal Required: The…

Q: Kendra is having her breakfast on a balcony 20m high when she accidentally knocks down a flower pot.…

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Q: a) At what height above the ground does the projectile have a speed of 0.5v0? Express your answer…

A: (a)   Apply energy conservation, between the initial position, that is the ground, where the height…

Q: Suppose you are standing on a ladder and holding a ball 5 meters above the ground. You throw the…

A: Given: The intial height  from the ground is 5 m. The initial speed of the ball is 15 m/s in the…

Q: 30⁰ 20m P X- je

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Q: From the top of a cliff overlooking a lake, a person throws two stones, as shown in the drawing. The…

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Q: A ball is thrown toward a cliff of height h with a speed of 25m/s arnd . an angle of 60? above…

A: Here, we calculate  the given as follow;

Q: A ball moving at +3.0 m/s along a table rolls off a table and lands on the ground 2.0 m away. How…

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Q: An object is thrown upwards from the ground level at a speed of 58m/s. It travels upwards to the…

A: Recall Vf2=Vi2-2gh

Q: At the lowest point of the waterfalls, water is moving at a speed of 40.0 meters per second. If the…

A: We need to find the velocity of the waterfall at the maximum height of the falls.

Q: The position of a stone thrown vertically up is y(t)=y0+ v0. t-g.t^2 where v0=10m/s is the initial…

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Q: A box is thrown upward from a height h = 20 m with an initial speed v = 25m/s that makes an angle of…

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Q: A skateboarder decides to try to jump from the top of a set of stairs and land at the level bottom.…

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Q: Yahya throws a ball at a height of y, = 2 m above ground with an initial speed of v, = 8.8 m/s at an…

A: When a ball is projected with initial velocity u, at an angle θ from the horizontal, the vertical…

Q: 6. A crazy, young boy on a sled is able to get up to an incredible speed of 22.5 m/s (yes, he is…

A:

Q: A SAFETY VALVE OF THE AMBUKLAO DAM IN BENGUET RELEASES WATER HORIZONTALLY WITH A VELOCITY OF 15 m/s.…

A: Given(s): The water is released horizontally. The horizontal velocity of the water, vx=15 m/s It…

Q: A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed…

A: height of cliff (h) = 51 m horizontal speed (v) = 17 ms

Q: 20. GO A golfer hits a shot to a green that is elevated 3.0 m above the point where the ball is…

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Q: Problem 7: A kid throws a water balloon at an angle of 62° towards his friend who is 8 m away. How…

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Q: A grasshopper jumps up with an initial speed of 5.4 m/s at an angle of 30 degrees above horizontal.…

A: The maximum height is given by  where, u is the velocity of projection, A is the angle of…

Q: A catapult lunches a rock at a castle wall. The rock is lunched at a 45 degree angle with a speed…

A: Given values: Angle, θ=45° Initial speed, u=22 m/s  Distance of the castle wall from catapult, S=45…

Q: A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed…

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