Q: A ball is pushed with an initial velocity of 12m/s.The ball rolls down a hill with a constant…
A:
Q: Ball with initial speed of 4m/s rolls down an incline with acceleration of 2m/s^2. If final speed is…
A: Expression to find the length v2=u2+2as Rearrange to find s 2as=v2-u2s=v2-u22a =8 ms2-4 ms222 ms2…
Q: A falling stone takes 0.31 s to travel past a window 2.2 m tall. From what height above the top of…
A: Newton's 2nd and 3rd equation of motion falling an object is defined as h=ut-12gt2v2=u2-2gh Here, h…
Q: A heavy rock is dropped from rest at the top of a cliff and falls 100 m before hitting the ground.…
A: Using kinematics, the time taken can be obtained as
Q: A rock is dropped from a height of 1.87 m. How much time will it take to hit the ground?
A: Here the distance traveled by the rock is 1.87m.
Q: A dog trots from x = -12 m to x = 3 m in 10 s. What is its velocity?
A:
Q: An object is dropped from a height of 17m on earth. How long does it take for this object to reach…
A:
Q: How long does it take when the ball lands at the height of 1.6m?
A:
Q: A ball is throwing straight up in the air takes 3.6 seconds to reach its maximum height. At what…
A: Using kinematics, v=u+at
Q: What is the initial velocity of a car that reached 32 m/s [S] in 3.4 s at a rate of 2.6 m/s2 [S]?
A:
Q: A stone is dropped from the top of a building and hits the ground after 3 sec. What is the height of…
A: Given data: Initial velocity (v0) = 0 m/s Time taken (t) = 3 s Required: The height of the building…
Q: If a 1 kg ball is dropped from a height of 3 m above the ground, what is the acceleration after is…
A:
Q: An acorn drops from a tree and takes 1.18 seconds to hit the ground. What height did it fall from?
A:
Q: height
A: The kinematics equation can be used to find the unknown distance, time, and velocity of an object.…
Q: If an object is thrown straight up and reaches a height of 20 m, what was the initial speed of the…
A:
Q: A car starts from rest and reaches a speed of 88ft/s in 16 s. How far does travel during this time?
A:
Q: It takes Harry 35 s to walk from x = -12 m to x = -47 m. What is his velocity?
A: x = -12 m to x = -47 m time, t = 35 s
Q: how long does it take a cat to change its velocity from 10m/s to 2m/s if its acceleration is -1m/s
A: Given, initial speed of the cat, vi = 10 ms final speed of the cat, vf = 2 ms acceleration of the…
Q: A truck increases its speed uniformly from 15 m/s to 25 m/s over a distance of 300 m. The…
A: Using 3rd kinematic equation: V^2 = U^2 + 2*a*d U = Initial speed of truck = 15 m/s V = final speed…
Q: A hang glider dropped his cell phone from a height of 350 feet. How many seconds did it take for the…
A:
Q: A race car starts from rest and accelerates to 10m/s in 2.5 seconds. How far did it travel during…
A: Given data The initial velocity is u=0 m/s The final velocity is v=10 m/s The time is t=2.5 s The…
Q: A tennis ball is dropped from a roof 1.8 meters from the ground. How long does it take for the ball…
A: Given data: Initial velocity (Vi) = 0 m/s Height (h) = 1.8 m Required: Time (t)
Q: A stone is released from a height of 180 m, reached the ground with the speed of 60m/s. How long did…
A: height of stone, s= 180 m final velocity of stone near ground, v=60 m/s let t be the time taken
Q: Assume the accleration of the object is a(t) = −32 feet per second per second. (Neglect air…
A: Given- Acceleration a=−32 ft/s2 Initial speed u= 60 feet/second
Q: If a ball is dropped from a certain height of 51 meters how long will it take to reach the ground?
A: Given height (h) from which it is dropped=51m It is dropped so initial velocity (u) = 0m/s…
Q: A ball is thrown upwards from the ground and it took 8 seconds to return back to the ground. How…
A: Ans:- Image-1
Q: If a car is driving with a velocity of 30m/s, how long will it take to travel 220 m?
A: Given data The velocity of car is v = 30 m/s. The distance travelled by car is d = 220 m. The time…
Q: Over a distance of 225 meters, an automobile going initially at +5.0 m/s accelerates evenly at +0.50…
A:
Q: A rock is dropped off a tall, vertical cliff on the planet Mars. How long would it take to reach 85…
A:
Q: If an ax head is dropped from a height of 9 meters, how long does it take to hit the floor and what…
A: Given, Height, h= 9 m.
Q: A car accelerates from 5.0m/s to 28.0m/s while travelling a distance of 150 m. How long did it take…
A:
Q: A car can cover 37m in 9s while eventually slowing down to a final velocity of 2.6m/s. Find the cars…
A: distance covered (d) = 37 m time taken (t) = 9 seconds final velocity (v)= 2.6 ms
Q: An object was dropped from a building with a total height of 60 m. How long will it take the object…
A: Given Height ( h) = 60 m Acceleration due to gravity (g) = 9.80 m/s2 Object is dropped from rest…
Q: A ball was dropped from a rooftop measuring 2.6 m above the ground. How long will it take for it to…
A: Newton's 2nd equation of motion is s=ut+12at2 Here s is displacement, u is initial velocity, a is…
Q: A hang glider dropped his cell phone from a height of 450 feet. How many seconds did it take for the…
A: Given data: A hang glider dropped a cell phone Height (h) = 450 ft Initial velocity (u) = 0…
Q: A ball is dropped from a window and hits the ground with a speed of 25 ft/s. How high above the…
A: Initial velocity of ball u = 0 Acceleration = g = 32 ft/s2 final speed v = 25 ft/s Height h = ?
Q: A stone is dropped from the top of a tower and it reaches the ground in 8 s. How much time will it…
A:
Q: A plane trying to land hits the ground at a speed of 100 m/s. If the acceleration of the plane is 5…
A: Given :- initial speed u= 100 m/s Acceleration of plane a= 5 m/s2 Final speed v=0…
Q: A car travels 1000 m at 50 m/s and 1000 m at 20 m/s. What is the average speed of the motorist for…
A: Determine the time taken by the car during both the motions at the speeds of 50 m/s and 20 m/s,…
Q: A rock is dropped from a 100-m-high cliff. How long does it take to fall (a) the first 50 m and (b)…
A: Given: height,h = 100 m
Q: A raindrop on a drizzly day takes one minute from the time it leaves the cloud until it hits your…
A: ∆t= 1 minute ∆x= 3 miles V¯=∆x∆t=3 miles1 minute=3 miles1 minute*60 minute1 hour V¯=180 mileshour
Q: How much time would it take a fox to accelerate from 2 m/s to 8 m/s at a rate of 2 m/s/s?
A: The equation of motion is given by, v=u+at Here, v is the final velocity, u is the initial velocity,…
Q: How much time does it take a train to increases its speed from 6.0 m/s to 36 m/s over a distance of…
A: Solution: Given that initial velocity u = 6 m/s final velocity v = 36 m/s distance s = 120 m
Q: Billy drops a watermelon from the top of a three-story building, 10 m above the sidewalk. How fast…
A:
Q: A car starts from rest and attains a speed of 50 m/s in 15 seconds. How far has the car traveled…
A: Initial velocity of car = 0 Final velocity of car =50m/s Time take by car to reach speed 50m/s =15s
Q: What is your average speed if you walk 2 kilometers in 20 minutes?
A: The expression for the average speed,
Q: Ana drops her phone from a cliff that is 18 meters high. How long does it take to reach the bottom?
A: Given: The height of the cliff is 18 m.
Q: Niagara Falls is 51 meters high. If you dropped a ball off the ledge how much time would it take it…
A:
Q: How long does it take for a ball thrown upward at a velocity of 15 cm to reach a velocity of 10-20…
A:
A rock is dropped from a height of 4m. How long does it take to reach the
ground?
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- A diver running 2.6 m/sm/s dives out horizontally from the edge of a vertical cliff and 3.1 ss later reaches the water below. How high was the cliff?A ball is dropped from a height of 44.1 meters. How long does it take to reach the ground? Ignore air resistance. possible answers -3.0 seconds -14.7 seconds -4.5 seconds -9.0 secondsThe Moon is about 3.8 x 108 m from Earth. Traveling at the speed of light, 3.0 x 108 m/s, how long does it take a laser beam to go from Earth to the Moon and back again?
- The sun is 30° above the horizon. It makes a 52-m-long shadow of a tall tree. How high is the tree?The distance from the Earth to the moon is 239,000 miles. The distance from the Earth to the moon is 385000 km. Given that light travels at 3.00 × 10⁸ m/s how many minutes does it take for light to travel to the moon?A space probe of the surface of Mars sends a radio signal back to the Earth, a distance of 3.91 x 108 km. Radio waves travel at the speed of light (3.00 x 108 m/s).(a) How far away is the space probe?(b) How many seconds does it take for the signal to reach the Earth?(c) How many hours is this?
- A group of hikers sets out going 10.0km [N], then 15.0km [E], then 4.0km [S]. The entire trip takes 4.00h. Determine the magnitude hikers' distance for the trip.A horse races once in a circular track (2) in a time 85.2 seconds with a speed 1.2 m/s. What is the radius of the track?A rugby ball is kicked at an angle of 30° above the horizontal from the top edge of a cliff with an initial speed of 14 m/s. It takes 8 seconds for the ball to travel from the top of the cliff to the ground below. What is the height of the cliff? (Assume air resistance is negligible) answer: 257.6 m
- A converging lens (f = 20 cm) and a diverging lens (f = 30 cm) are placed 90 cm apart, and an object is placed 30 cm in front of the converging lens. Object's height is 2 cm and it stands upward. Which is correct for the final image? %3D Left Right Object 30 cm 90 cm f,=20 cm f3=30 cmAn object is dropped from a tower, 256ft above the ground. The object's height above ground x seconds after the fall is s(x)=256−16x2.About how long does it take the object to hit the ground? What is the object's velocity at the moment of impact? It takes nothing sec for the object to hit the ground. (Round to the nearest tenth as needed.)A space probe on the surface of Mars sends a radio signal back to the Earth, a distance of 7.88×10^7km. Radio waves travel at the speed of light (3.00×10^8m/s). How many seconds does it take for the signal to reach the Earth?
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