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A: Using kinematics, v=u+at
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A: Ans:- Image-1
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A: height of stone, s= 180 m final velocity of stone near ground, v=60 m/s let t be the time taken
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Q: What is the acceleration of a car that maintains a constant velocity of 55 mi/hr for 10.0 seconds?
A: Given: Constant velocity, v = 55 mi/hr time, t = 10 s
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A: As per guidelines, i am solving first part of question , Please post other question seperately.
Q: A rocket starts from rest and is traveling 25 km/h after 1.2s. Calculate its acceleration.
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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
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A: velocity is defined as the rate of change of displacement.
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- 23. A car whose initial speed is 50m/s has an acceleration of 4 m/s2. Determine: Calculate the final speed of the car when 3 seconds of time elapse. Select one: a. 55m/sb. 70m/sc. 62m/sd. 62cm/s4. A ball rolls off a 1.0 m high table and lands on the floor from the table. How long is the ball in the air?" O 0.45 s O 1s O 0.55 s1. Two divers jump from a 4.00-m platform. One jumps upward at 2.40 m/s and the second steps off the platform as the first passes it on the way down. a) What are their speeds as they hit the water ? b) Which hits the water first and by how much ? Two bover cit cido by cide on berizente
- A stone is dropped from rest near the surface of moon. The velocity of the stone after 2 seconds is [ Given data : acceleration due to gravity of moon, gmoon = 1.6m/s2, acceleration due to gravity of earth, gaarth = 9.8 m/s³] O a. +3.2m/s O b. -19.6m/s Oc +19.6m/s O d. -3.2 m/s7. A baseball is hit straight up in the air with an initial velocity of 38 m/s. How high does the hall 902If a stone is thrown straight upward with the initial velocity vjiy=32 m/s, what is the velocity of the stone (m/s) at t=24 s? A. None В. -624 С. -416 D. -208 E. -832
- A stone is dropped from rest near the surface of moon. The velocity of the stone after 2 seconds is [ Given data : acceleration due to gravity of moon, gmon = 1.6m/s2, acceleration due to gravity of earth, gearth = 9.8 m/s] O a. +3.2m/s O b. -19.6m/s Oc +19.6m/s O d. -3.2 m/sp V:10 Ooredoo I. m/s? Question 3 Not yet answered Marked out of 1.00 P Flag question A ball is dropped from the top of a very tall building, It accelerates downward at g. What will be the velocity of the ball after 2 seconds of its free fall? Select one: О а. -29.4 m/s O b. -19.6 m/s О с. -9.8 m/s O d. -10 m/s2. A water bottle rocket is blasted up with an initial velocity of 40. m/s. Assume no air resistance. a. Calculate the maximum height of the rocket.
- A turtle crawls along a straight line, which we’llcall the x-axis with the positive direction to the right. The equationfor the turtle’s position as a function of time is x 1t2 = 50.0 cm +(2.00 cm/s)t - (0.0625 cm/s2)t2. At what time t is the velocity of the turtle zero?At a certain time t=5 s, a fly ball has velocity v = (4.8m/s)i- (5.3m/s)j, the initial value of the horizontal component Vox is: %3D O a. 9.60 m/s b. 4.80 m/s O C. 2.40 m/s o d. 14.40 m/sTwo friends decide to travel in opposite directions (from the same starting point) on their bikes. The girltravels at 6.00 m/s [E], while her friend speeds off at a rate of 6.50 m/s [W]. What is the distance separatingthe friends after 20.0s?