uppose a plane accelerates from an initial velocity of 45 km/s to 500 km/s in the first 20 s of its motion. What is the average acceleration during that time interval?
Q: A hot air balloon is traveling vertically downward at a constant speed of 5.8 m/s. When it is 17.8 m…
A: The initial velocity of the package is same as the velocity of the air balloon. Kinematic expression…
Q: A rocket-powered sled moves along a track, eventually reaching a top speed of 209 m/s to the east.…
A:
Q: An object has an initial velocity of 15 m/s. How long must it accelerate at a constant rate of 3…
A: Given data: Initial velocity, u=15 m/s Final velocity, v=2×15 =30 m/s Acceleration, a=3 ms2
Q: travel from Winnipeg to Regina and back. The total distance is 1100km. The return to Winnipeg is…
A:
Q: A steel ball is thrown up with a velocity of 70 m/s from the ground. While coming down, it strikes a…
A: initial speed of ball u = 70 m/s let maximum height = H height of glass pan h = H/2 velocity losses…
Q: Over a distance of 245 meters, an automobile going initially at +7.0 m/s accelerates evenly at +0.80…
A:
Q: A rocket-powered sled moves along the track, eventually reaching a top speed of 230 m/s to the west.…
A: Given:- Speed u = 230 m/s. Final speed v = 0 m/s Time taken t = 4.42 s…
Q: (a) A runner starts a race at rest then accelerates for 10.0 s reaching a velocity of 9 m/s. How far…
A: initial velocity = V0= 0 m/s time = t = 10 sec final velocity = V = 9 m/s
Q: car is traveling along a straight road at a velocity of +27.4 m/s when its engine cuts out. For the…
A:
Q: A steel ball is thrown up from the top of a tower of height 125 m with a velocity of 90 m/s . While…
A: Height of tower Initial velocity with which the steel ball is thrown Acceleration due to gravity…
Q: A motorcycle has a constant acceleration of 5 m/s2. Both the velocity and acceleration of the…
A: Acceleration of the motorcycle, a=5 m/s2 The velocity at the time t=4 s is v=60 m/s
Q: Over a distance of 245 meters, an automobile going initially at +7.0 m/s accelerates evenly at +0.80…
A: Kinematics.
Q: An object is thrown vertically and has an upward velocity of 12 m/s when it reaches 1/4 of its…
A:
Q: A high-performance sports car can go from 0 to 100 mph (44.7 m/s) in 5.8 s. (Assume the car travels…
A: (a)Given thatinitial velicity=0 m/sfinal velocity=44.7 m/stime=5.8 secAverage acceleration=final…
Q: Over a distance of 260 meters, an automobile going initially at +5.0 m/s accelerates evenly at +0.20…
A: Uniformly accelerated motion occurs when an item travels in a straight path with a consistent…
Q: A ball is thrown upwards from the ground and it took 6 seconds to return back to the ground. How…
A: Given data: Total time of flight (T) = 6 s Required: The initial velocity of the ball (v0)
Q: A ball is thrown vertically upwards at 9.5 m/s. For its complete trip (up and back down to the…
A: When the ball completes the entire trip, its final position is the same as its initial position.…
Q: A woman is driving her car between two houses that are 60 m apart. So that she is driving the first…
A:
Q: A student walks to the right, 25 meters along the hallway in15 seconds. The student turns around and…
A: Given data: Displacement (d1) = 25 m, to the right Time (t1) = 15 s Displacement (d2) = 15 m, to…
Q: A car is stopped at a red light. When the light turns green the car uniformly accelerates at 5.0 m/s…
A: Here we use the equations of motion under constant acceleration,…
Q: A bullet is shot straight up with an initial speed of 180 m/s. How long is the bullet in the air and…
A: Given that: Bullet is shot straight up with initial velocity u=180 m/s
Q: An object is launched vertically from the ground. Its engine provides constant upward acceleration…
A:
Q: A rocket-powered sled moves along a track, eventually reaching a top speed of 247 m/s to the west.…
A: This question is based on Motion in a straight line topic. We need to use equations of motion to…
Q: Over a distance of 235 meters, an automobile going initially at +1.0 m/s accelerates evenly at…
A: Given d = 235 m Initial velocity of automobile vi = + 1 m/s Acceleration ( a) = +0.70 m/s2 Let…
Q: Suppose a motorcycle accelerates for t = 6 seconds at a constant rate of acceleration (a = 2.5…
A: Given data: Time (t) = 6 s Acceleration (a) = 2.5 m/s2 Final velocity (v) = 34 m/s Required:…
Q: The average acceleration from point A to point B is m/s2. The average acceleration from point A to…
A:
Q: A bullet is shot straight up with an initial speed of 180 m/s. How long is the bullet in the air and…
A:
Q: An object is moving at a constant velocity of 2.0 m/s due east from t = 0 s to t = 2 s. The object…
A: From t=0 to t=2 sec, object is moving with constant velocity. Hence, displacement is :- s=uts=2×2s=4…
Q: A coin was tossed vertically straight upward with initial velocity 78 m/s. As the coin reaches…
A: Required : The acceleration of the coin.
Q: You have already traveled 30 miles east and then 30 miles north. To get back to the start, you…
A: Given: 30 mile east 30 mile North Get back to the start you travel 30 miles west t1 = 1 hour…
Q: A car is traveling at a speed of 30 m/s, a typical highway speed, on wet pavement. The driver sees…
A: Initially, speed of the car was, u = 30 m/s. The driver took t1 = 0.75 s to apply the brake Distance…
Q: You're driving down the highway late one night at 20m/s when a deer steps onto the road 35m in front…
A: Given data: Initial velocity (Vi) = 20 m/s Brakes applied after time (t) = 0.5 s Acceleration (a) =…
Q: you walk from your house to a local coffee shop to get an espresso. You average a speed of 2.4 m/s…
A: Average speed = total distance travelled /total time taken
Q: A stone is thrown with an initial upward velocity of 39.7m/s and experiences negligible air…
A: we use the formula v=u-gt
Q: a) The velocity of a particle changes from v1 = 2i + 5j -3k m/s to V2 = 5i- 7j+ 2k m/s in 2 s. What…
A: a. the average acceleration is
Q: f a beetle travels 5mm across a forest floor at a constant velo ow long does it take the beetle to…
A:
Q: At a certain time a particle had a velocity of 18 m/s in the positive x-direction, and 2.4 s later…
A:
Q: While entering a freeway, a truck accelerates from rest at a rate of 2.1 m/s2 for 11 s. Part (a)…
A:
Suppose a plane accelerates from an initial velocity of 45 km/s to 500 km/s in the first 20 s of its motion. What is the average acceleration during that time interval?
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
