Q: A curious child stands on the top of a 607 m skyscraper and drops a coin from the top of the…
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Q: The speed of an object is 4 m/s. How far, would it travel in 2 hours?
A: The expression for find distance is d=vt
Q: A plane travels 395,000 meters in 9000 seconds. What was its speed?
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Q: A stone is thrown vertically upward with a velocity of 40 feet per second from the top of a tower…
A: Let the stone be thrown with the vertically upward, velocity v from the top of the tower height h.…
Q: what is the potentil engery for a 0.5 kg ball lifted 2 m above the ground?
A: Given, mass m = 0.5 kg height h = 2 m We know the expression for potential energy is P.E=mgh
Q: If a 6 kg mass is dropped from a height of 10 meters, what is the velocity of the mass right before…
A: In the given question the mass of the mass is given is 6kg and height is also given 10 meter from…
Q: what was the average speed in meters per second of a race car that travels once every 8 seconds…
A: Radius of the circular track is r = 70 mt Time taken by the car is T = 8 s
Q: A rock is thrown upward with a velocity of 1212 meters per second from the top of a 2424 meter high…
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Q: If you're driving along the highway on a motorcycle at 27 meters per second (60 miles per hour) and…
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Q: A rocket is being launched. After a while, it rises at a constant velocity of 5 miles per second. An…
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Q: A runner went from 6 m/s to 2 m/s in 2 seconds, what was his acceleration?
A: By equation of motion:- V = U + at Here, V = final velocity U = initial velocity a = acceleration t…
Q: How much force is required to bring a car of mass 1,273 kg, initially traveling at 28 m/s, to rest…
A: Given mass of the car = 1273 kg initially velocity = 28 m/s Final velocity = 0 m/s (at rest) time…
Q: A space shuttle orbits Earth at a Speed of 21,000 km/hr. How far it travel in 5 hours?
A: Given Speed (v) = 21000 km/hr time (t) = 5 hr Distance travelled in time ' t ' Distance (d) =…
Q: A 1.2 ton car moving at 30 kilometers per hour bumps the rear of a 1.8 ton car moving in the same…
A: Given data: The mass of the first car, m1=1.2 ton. The mass of the second car, m2=1.8 ton. The…
Q: How fast was a plane flying if it traveled 800km in 50 min *
A: How fast was a plane flying if it traveled 800km in 50 min *
Q: if a 6kg mass is dropped from a height of 10 meters, what is the velocity of the mass right before…
A:
Q: An object is moving at a speed of 850 miles per hour. Express this speed in meters per minute. Round…
A: This problem is based on unit conversion. The given speed of the object is given in the unit of…
Q: what speed covers 20 miles in 2.5 hours
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Q: A person travels at a speed of 60 miles per hour. How far will he travel in 4.5 hours ?
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Q: A car travles 55 miles per hour for 2 hours how far does the car travel in 1/2 hour
A: Given data: Speed (v) = 55 miles/hour Time (t) = 1/2 hour Required: The distance traveled by the…
Q: A rock is thrown upward with a velocity of 15meters per second from the top of a 33 meter high…
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Q: A 15 kg rifle fires a 100 gm bullet at 1,750 m/s. At what speed does the rifle kick back?
A: Using momentum conservation principle Initial momentum=Final momentum In this situation both rifle…
Q: A car moving at 70 km/hr skids 42 meters with locked brakes. How far will a car traveling initially…
A: initial speed (u) = 70 kmhr = 70×518 ms= 19.44 msFinal speed (v) = 0 kmhr = 0×518 ms= 0msDistance…
Q: A comet is traveling in outer space with a velocity of 2000 m/s. How long will it take to travel…
A: Given : velocity of comet , v = 2000 m/s Distance to travel , d =300,000 m
Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/s when it hits the ground,…
A: The kinetic energy of the rock just before it hits the ground will be KE=12mv2=126kg5m/s2=75J
Q: If distance travelled by a train is 495 km in 4 hours 30 minutes, what is its speed?
A: Given Distance travelled by train (d) = 495 km Time taken (t) = 4 hours 30 minutes…
Q: a 1 kilogram ball is dropped from the top of a building that is 180 meters high. what is the…
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Q: A 39.5 kg mg child on a sled slides down a hill reaching a speed of 8.92 meters per second how high…
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Q: A car which is initially at rest travels 1,400 meters in 20 seconds. Find its acceleration.
A: As we know from the Newton's 2nd equation of motion, s = ut + 1/2 at2 ----------(1) Where s is…
Q: A curious child stands on the top of a 794 m skyscraper and drops a coin from the top of the…
A:
Q: Calculate the speed of a dog running through a field if he is covering 25.5 meters in 45 second
A: distance covered (d) = 25.5 meters time taken (t) = 45 seconds
Q: A passenger jet flies at a constant speed from one airport to another 1,500 miles away in 3.5 hours.…
A: The expression for speed of the jet flies from one airport to another is,
Q: A 0.15 kg ball is dropped. How fast will it be moving after it has fallen 1.5 meters?
A: Given Data : The mass of the ball is given as m = 0.15kg. The distance travelled by the ball during…
Q: If you shoot a 10 kg cannonball straight it reaches a height of 600 meters, what was the velocity of…
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Q: If a car goes from 0 to 75 mph in 5 seconds with constant acceleration, what is that acceleration?
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Q: If you are travelling down the road at 10.0 m/s and hit the brakes to a stop in 3.0 meters, how far…
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Q: What Is The Mass Of Any Kind Of Object That Travels At The Speed Of Light?
A: Large velocities cause changes in the size and mass of moving objects as well as in the apparent…
Q: A car drives for 3.9 hours at a speed of 60.9 miles per hour. What is the distance traveled in…
A: Given Data: The time taken by a car is, t=3.9 hours The speed of a car is, v=60.9 miles/hour The…
Q: The distance from the Earth to the Moon is approximately 240,000 miles. If a rocket travels at a…
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Q: Starlink is a communications satellite spearheaded by Elon Musk to redistribute the internet speed…
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Q: Calculate the speed of a dog running through a field if he is covering 23.7 meters in 54 seconds.
A: Given data : Time = t Distance = D To find : Speed of dog
Q: what constant acceleration will bring an automobile traveling 60 miles per hour to rest in 160 feet?
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Q: An airplane is taking off at an angle of 9° and travelling at a speed of 200 feet per second in…
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Q: if traveling 88 feet per second is the same as traveling 60 miles per hour, how fast in feet per…
A: Given, 88 feet per second = 60 miles per hour 88 fps = 60 mph 1mph=88/60fps We have to find how many…
Q: What is the acceleration of a car that increases its velocity from 0 to 100 km/h in 10 s?
A:
How fast will a penny hit the ground if it is dropped from the rooftop of a 291-meter-high building?
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- An object is 5m high and has a mass of 2kg. How much PE will it have on moon where acceleration is 2 m/s²?A roller-coaster cart (250 kg) is traveling at 5 m/s on the track that is 20 m above the ground. Calculate how fast is it traveling if it drops down a hill 6 m (it is therefore only 14 m from the ground at this point)?A car moving at 70 km/hr skids 42 meters with locked brakes. How far will a car traveling initially at 245 km/hr travel with locked brakes?
- A stealth fighter is in a level flight at a speed of 400 kph and an altitude of 1000 m when it drops a bomb. What is the bomb’s speed when it strikes the ground?A ball is dropped from a building 100m high. If the mass of the ball is 10 grams, after what time will the ball strike the earth?A stone is dropped from the edge of a cliff and hits the ground below in 3 s. The hight of the cliff is approximately 45 m 30 m 90 m 10 m
- On an alien planet, a rock dropped from 4 m above the ground moves at 8 m/s when it lands on the ground. What is g?John throws a rock down with speed 11m/s from the top of a 25-m tower. If g=9.8m/s^2 and air resistance is negligible, what is the rock's speed just as it hits the ground?18.) At room temperature, an oxygen molecule, with mass of 5.31×10−26kg, typically has a kinetic energy of about 6.21×10−21J. How fast is it moving? Express your answer to three significant figures and include the appropriate units. V= ______________ _____________ 2.) In the high jump, the kinetic energy of an athlete is transformed into gravitational potential energy without the aid of a pole. With what minimum speed must athlete leave the ground in order to lift his center of mass 1.85 m and cross the bar with a speed of 0.85 m/s ? Express your answer to two significant figures and include the appropriate units. V=____________ _____________
- The Bellagio is about 150 meters tall. A person drops a penny off the roof. The penny is 1 kg. How fast will it be going when it hits the ground?How much weight should a diver put in order to gain a gravitational potential energy of 75 kJ if he is going to dive at a height of 10 m? He weighs 60 kg.Please answer question 13? Thank you!