Starting from rest, a plane is able to go from 0 m/s to 70 m/s over the course of 7 seconds. During that time, what is the acceleration?
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Q: A bicycle travels 12 km in 40 min. Its speed is a. 0.3 kph b. 8kph c. 18 kph d. 48 kph Acceleration…
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Q: 10. Mr. Mangan soars over a large group of zombies and is in the air for a total of 5 s. How high…
A: Given , Mr. Mangan is in the air for 5s. So he took 2.5 s to go up and 2.5s to go down. So from…
Q: When a braking force, F, is applied to a car moving at a speed v, the car comes to a stop in 8.0 s.…
A: Given data: Time taken to stop (t) = 8.0 s Initial velocity (Vi) = v Final velocity (Vf) = 0 New…
Q: 28. A block is dropped from the top of a 450-foot platform. Whatis its velocity after 2 seconds?…
A: Given: Distance S = 450 m Time = 2 and 4 seconds. Initial velocity = 0 To determine: Final velocity…
Q: A car is moving on a straight road at 10 m/s .it is accelerated at 14 m/s?. What will be it's…
A: Given data: Initial velocity (Vi) = 10 m/s Acceleration (a) = 14 m/s2 Time (t) = 6 s Required:…
Q: In a rally a road is designed so that the minimum acceleration for a car to jump is 5.7 m/s². The…
A: Solution: Given that a = 5.7 m/s2 v = 74.1 m/s
Q: paper ball that starts at rest is in free fall a. Calculate the stone's velocity after 10.0 seconds.
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Q: an object with an accoleration of 20m/s will __________________. a. change its velocity by 20m/s…
A: The rate of change of velocity is known as acceleration. Consider the initial velocity of the object…
Q: after 7 se
A: Given: Acceleration of airplane is 5 m/s2 Time is 7 seconds
Q: how did you get the 9.6 m/s in the final velocity?
A: Given, Initially the athlete moving along horizontal direction having velocity, v = 10.5 ms velocity…
Q: A car was traveling at 20 m/s and then started increasing its speed by 5 m/s for every 10 seconds…
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Q: If an airplane needs to reach a speed of 36.5 m/s in order to takeoff, and the plane can accelerate…
A: Given data: Initial velocity (u) = 0 m/s Final velocity (v) = 36.5 m/s Acceleration (a) = 2.30 m/s2…
Q: 1. The mass difference between two isotopes is sometimes just a neutron mass. The spectrometer…
A: Consider two isotopes of the lead (82) are Pb204 and Pb205. Here, Pb205 > Pb204 Let the mass of…
Q: birdman is flying 15 m/s
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Q: A car, initially at rest, travels 20 m in 2 s with constant acceleration. What is the acceleration.…
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Q: You are on one of those fast roller coasters that is traveling at 30 m/s and it accelerates at 4…
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Q: 0.17 kg hockey puck traveled across the ice at 2.2 kg m/s. What was its velocity?
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Q: 20 If you drop a rock from a great height, about how fast will it be falling after 5 seconds,…
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Q: What is the final velocity of a car that starts from rest and accelerates at a rate of 5 m/s² for 10…
A: Given data: Initial velocity (vi) = 0 m/s Acceleration (a) = 5 m/s2 Time (t) = 10 s Required: Final…
Q: A car starts from rest and reaches a speed of 80km/h in 2 minutes. The acceleration of the car is O…
A: initial velocity of car is zero . vo = 0 m/sec final velocity of car ( vf) = 80 km / h = 22.22…
Q: A truck starts from rest and reaches a speed of 60km/h in 3 minutes. The acceleration of the truck…
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Q: 8 An airplane travels 300 m. down the runway before taking off. If it accelerates uniformly and…
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Q: What is the force needed for a sliding object with a frictional force of 10 N to maintain a constant…
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Q: The coefficient of friction between a race car's wheels and the track is 1.0. The car starts from…
A: Ans : option (c) 73 m/s is correct. Explanation:
Q: A ball was dropped from the top of the building. If the ball was from a height of 144 meters from…
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Q: On a separate occasion, Michael threatened to jump from the roof of his office building as a…
A: (a) final velocity v=u+gt=0+9.8 m/s21.2 s=11.76 m/s≈12 m/s
Q: A car, initially at rest, travels from 0m/s to 18.9 m/s in 28.1 s. What is the car's acc
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Q: A 1.0 kg rock is thrown upward with an initial speed of 20 m/s. Assuming no air resistance, the net…
A: mass = 1 kg initial speed = 20 m/s At the instant when it reaches the maximum height , the net force…
Q: A car goes down a 10 degree incline with a coefficient of friction of 0.3 for 2m. What is it’s…
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Q: An object has a mass of 50 kg and is accelerating at 20 m/s2 when it hits a brick wall. What is the…
A: Given: The mass of the object is m=50 kg. The acceleration is a=20 m/s2. The expression for the…
Q: What is the weight of the following objects? to. A 3.5 kg hockey puck. b. A 7.5 kg bowling ball.
A: The weight of an object is given by W =m g where, m is the mas and g is the acceleration due to…
Q: An object is thrown upward with a speed of 9.8 m/s. What is its speed at the highest point? Select…
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Q: 19. A skydiver jumps from a plane. Ignoring the effects of air resistance, how far will the…
A: Given A skydiver jumps from a plane. Effects of air resistance, how far will the skydiver have…
Q: A bike and rider have a mass of 210 kg and a speed of 19m/s. What is the shortest distance he can…
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