What should Usain Bolts' takeoff speed be in meters per second in order for him to achieve a vertical jump of 1.04 meters? Your answer should be rounded to the closest hundredth.

Q: If an object falls from the top of the building, what will its speed be after 2.60 seconds?

A: Given data: Initial velocity (V0) = 0 m/s Time (t) = 2.60 s Required: The final velocity(v)

Q: While neglecting air resistance, why do objects thrown upwards (in an open area) fall after reaching…

A: Since gravitational acceleration on object is always downward. So when objects thrown upwards speed…

Q: If a car is moving at 90 km/h and it rounds a corner, also at 90 km/h, does it maintain a constant…

A: Speed is a scalar quantity. It has magnitude only, no any direction. Constant speed does not always…

Q: What is the initial velocity of a ball thrown straight up in the air, that reaches its highest point…

A: We know thatv=u+atHerev=final velocityu=intial velocitya=accelerationt=time

Q: How long will it take for a rock dropped from a 20 m high cliff to hit the ground below?

A: Given data:  Initial velocity (u) = 0 m/s Height (h) = 20 m Required: Time taken to hit the ground

Q: A ball thrown vertically upward with a speed of _____ m/s will be in the air for a total of 4.5…

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Q: If it were not for air resistance, why would it be dangerous to go outdoors on rainy days?

A: Air resistance causes the speed of the body to slow down.

Q: Walking on horizontal slippery ice can be much more tiring than walking on ordinary pavement. Why?

A: Introduction: A frictional force always acts opposite to the direction of motion if the surface has…

Q: A ball is thrown horizontally from the top of a building with an initial velocity of 15 meters per…

A: The solution can be given as follows :-

Q: The vertical height attained by a basketball player who achieves a hang time of a full 1s is about?

A: The hang time is 1 s . if there is no resistance the time to reach maximum height and time required…

Q: If a rock is thrown upward on the planet Mars with a velocity of 10 m/s, its height (in meters)…

A: Given: planet : Mars (g=3.721 m/s2) u=10 m/s (upwards) H(t)=10t-1.86t2

Q: The net force on a 10 kg object is 40 N.  If it is initially moving at 18 m/s, how long will it take…

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Q: A body is thrown vertically upwards and rises to a height of 10 m. Calculate the velocity with which…

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Q: When the force is constant, how does the final velocity relate to the distance traveled?

A: As per Newton’s law, the force on an object can be represented as, Here, m and a represent the…

Q: . A golfer sends a ball over a 3m high ame level from which it was struck aft ) If the ball left the…

A: A golfer sends a ball over a tree of height is 3 m  the tree is from the golfer is at a distance d =…

Q: A stone dropped from a captive balloon at an elevation of 1,040.204s later another stone is…

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Q: A projectile is launched vertically at 100 m/s. If air resistance can be neglected, at what speed…

A: The projectile will return back to its initial level with the same velocity 100 m/s. The projectile…

Q: A wheelchair moves upward on a 7.1 degree ramp at a speed of 20km/h. What is the vertical velocity?…

A: The given values are, θ=7.1°v=20 km/h

Q: If a skydiver jumps from a plane and free falls, what is their velocity after 20 seconds?

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Q: Julia jumps straight upward on Mars, whera the acceleration due to gravity is 3.7 downward. After 3…

A: Given data *The downward acceleration due to the gravity is a = -3.7 m/s2 *The downward velocity is…

Q: What happens to its velocity when a coin is tossed upward while ascending? Its acceleration? (Ignore…

A: It is required to discuss the velocity of a coin tossed upwards and its acceleration while…

Q: If Michael Jordan has a vertical leap of 1.29 m, then what is his take off speed?

A: Given data: Vertical height (h) = 1.29 m Required: Take off speed (vi)

Q: What is the effect of air resistance on the acceleration of falling objects? What is the…

A: A freely falling object is any object moving either upward or downward under the influence of…

Q: In two seconds, how far does a baseball fall beneath the straight-line path it would follow if air…

A: Let y be the distance, u is the initial speed, t is the time and g is the acceleration due to…

Q: Show that a freely falling rock drops a distance of 45 m when it falls from rest for 3 s.

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Q: What is the gain in speed per second for a freely falling object?

A: The gain in the speed of a freely falling object can be measured by calculating the change in the…

Q: A brick is dropped for rest on a high scaffold, whats its velocity after 2.1s and how far has it…

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Q: A ball is dropped from the roof of a building 40 meters tall will hit the ground with a velocity of:

A: Given data The height of the building is given as s = 40 m. The initial velocity of the ball is…

Q: If two ball are released from the same height, where one falls from rest and the other is given a…

A:

Q: A ball is dropped from a building 100m high. If the mass of the ball is 10 grams, after what time…

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Q: The velocity (in feet/second) of a projectile t seconds after it is launched from a height of 10…

A:

Q: How does the speed of a falling object affect the amount of air resistance that it experiences?

A: As different objects fall through air, they will experience some amount of air resistance. It is due…

Q: Henrietta is riding the Giant Drop at Great America. If Henrietta free-falls for 3.08 seconds, how…

A: Using kinematics, s=ut-12gt2

Q: A 5.80-kg bowling ball moving at 8.70 m/s speed of 19.0 m/s. Calculate the final veloci = 6.76 m/s…

A: accordinmg to newtons law  a system's momentum cannot be changed until force is applied on the…

Q: An angry ex broke into their post-significant others apartment, grabbed the TV and threw is strait…

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Q: The minimum speed he'd need to run off the edge of the cliff to make it safely to the far side of…

A:

Q: A baseball leaves a bat with a velocity of 35 m/s at an angle of 320 above the horizontal. How high…

A: Given data: Initial velocity of baseball is, u=35 m/s. Angle of projectile is, θ=32∘.

Q: Why do we disregard air resistance when calculating velocity?

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Q: If air resistance can be neglected ,how does the acceleration of a ball that has been tossed…

A: When a ball is tossed, the ball moves toward upward direction for a while because of the initial…

Q: Why acceleration at any instant do not velocity at any instant?

A: Let’s take an example where, a ball is thrown up, the velocity of the ball at the highest point is…

Q: if an object is traveling at 70 mph and falls off a vliff that is 300 meters high, how long will it…

A: Please see the answer below

Q: If a baseball is dropped from a skyscraper, what will its speed (velocity) be after 4.5 seconds…

A: let baseball is dropped with zero initial velocity u=0 since there is no air resistance a=g=9.8 m/s2…

Q: Calculate the final velocity of a car starting from rest, and accelerating for 10 seconds at 3.5…

A: initial velocity u = 0 m/s acceleration a = 3.5 m/52 time taken t = 10 s Let V be the final…