Under what conditions does the magnitude of the average velocity equal the average speed?
Q: A woodchuck runs 24.8 m to the right in 4.73 s, then turns and runs 9.1 m to the left in 3.36 s.…
A: Given Displacements of the woodchuck is s1=+24.8 m and s2=-9.1 m (considering displacement to the…
Q: (a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a…
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Q: A hot-air balloon is ascending at the rate of 15 m/s and is 76 m above the ground when a package is…
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Q: If the car’s speed decreases at a constant rate from 70 mi/hmi/h to 40 mi/hmi/h in 3.0 ss, what is…
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Q: During the time interval 0 < t < 1, the velocity of an object as a function of time is v = 5 + 3t^2…
A: Given value--- v = 5 + 3t^2 + 2t^3 . We have to find--- Acceleration of an object in terms of t ?
Q: (a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a…
A:
Q: he velocity of an object as a function of time is given by v(t) = 2.00 m/s + (3.00 m/s) t - (1.0…
A: Acceleration is the rate of change of velocitya=dvdt......(1)But,v=2+3t-t2........(2).....(where the…
Q: A cab driver heads south with a steady speed of v1 = 24.0 m/s for t1 = 3.00 min, then makes a…
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Q: An object moves at a constant velocity of 12 m/s to the southwest for an interval of 20 s. Halfway…
A: Here Velocity = 12 m/s = constant Time taken for this motion = t = 20 s. We have to calculate…
Q: car moves on a straight road such that its position from a reference point is given by the following…
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Q: A bus driver heads south with a steady speed of v₁ = 24.0 m/s for t₁ = 3.00 min, then makes a right…
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Q: (a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a…
A:
Q: At a certain time a particle had a speed of 41 m/s in the positive x direction, and 6.5 s later its…
A: v1=41 m/st1=0 sv2=-80 m/st2=6.5 s average acceleration,a=v2-v1t2-t2
Q: A car makes a trip due north for three-fourths of the time and due south one-fourth of the time. The…
A: Given, Car makes trip due north for three-fourths of the time and due south one-fourth of the time.…
Q: An object has a position as a function of time given by: R = (2t4) i + (9t3 + 2t) j What is the…
A: An object has a position as a function of time given by: R = (2t4) i + (9t3 + 2t) j We need to find…
Q: An object with an initial velocity of 5.0 m/s slows to 1.0 m/s over a distance of 10 m . What…
A: Given, An object with an initial velocity of, u = 5.0 m/s final velocity, v = 1.0 m/s distance…
Q: magnitude of the average acceleration
A: Given data: Final speed v= 5.27 m/s Time t=1.14s
Q: The velocity of a particle along the s-axis is given by v = 4s3/2 where s is in millimeters and v is…
A: velocity of a particle along the s-axis is given by v = 4s3/2 to find acceleration a a=vdvds v is…
Q: (a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a…
A: Given data : Initial velocity u= 0 m/s, rest Final velocity v = 10.8 m/s Time (t) = 3.36 seconds
Q: Mars has an average acceleration due to gravity of 3.72 m/s2. Find the value of acceleration due to…
A: Planets have a considerable amount of mass and thus a considerable amount of gravity. Any object…
Q: The figure shows the velocity of an object as it travels along the x-axis. What is the closest value…
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Q: Give an example of a scenario where the magnitude of the average velocity of an object is zero while…
A: Before jumping on to scenario we will first discuss a few parameters of motion which are as…
Q: You throw a ball straight upward with constant acceleration. After 5.4 seconds the ball is at a…
A: let the initial velocity = u time = 5.4 sec height after 5.4 sec = 120 m
Q: A particle moves along the x-axis according to the equation x = – 2t3. Calculate the average…
A: position of particle is given by : x = - 2t3we know that , velocity = dx/dt = d(-2t3)/dt = - 6t2
Q: A person walks first at a constant speed of 4.55 m/s along a straight line from point to point and…
A:
Q: An automobile travels on a straight road for 40 km at 30 km/hr speed. It then continues in the same…
A: The speed of the car in a distance of , The speed of the car in the next ,
Q: If the car’s speed decreases at a constant rate from 79 mi/h to 50 mi/h in 3.0 s, what is the…
A: Given,The initial speed , u=79 mi/hfinal speed, v=50 mi/htime, t=3.0 sec
Under what conditions does the magnitude of the average velocity
equal the average speed?
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- A jet makes a landing traveling due east with a speed of 70.6 m>s.If the jet comes to rest in 13.0 s, what are the magnitude and direction of its average acceleration?A particle moves in one dimension, and its position as a function of time is given by x = (2.1 m/s)t + (−3.0 m/s2)t2. (a) What is the particle's average velocity from t = 0.45 s to t = 0.55 s? (Indicate the direction with the sign of your answer.)(b) What is the particle's average velocity from t = 0.49 s to t = 0.51 s? (Indicate the direction with the sign of your answer.)A sports car moves at a constant velocity and travels 120m in 5.0s. If it brakes and comes to a stop in 4.0s, what is the magnitude of acceleration (assumed constant) in m/s2 and in g's (g=9.80 m/s2)
- (a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 10.7 m/s when going down a slope for 4.81 s? (b) How far does the skier travel in this time?Which statement is true if an object undergoing free fall reaches its maximum height? Its acceleration is zero. It velocity is perpendicular to the acceleration. Its velocity and acceleration are both zero. Its velocity along the y axis is zero.What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 11.4 m/s when going down a slope for 3.16 s? (b) How far does the skier travel in this time
- What is the acceleration of the object in the x direction at t = 1.24 seconds?The best leaper in the animal kingdom is the puma, which can jump to a height of 3.7 m when leaving the ground at an angle of 45°. With what speed must the animal leave the ground to reach that height? (No Response) m/sThe initial velocity of a car is 35 m/s due North. Its final velocity is 42 m/s at 15 degrees South of East. If this takes 30 seconds, what is the magnitude and direction of the car's average acceleration?
- After 5.2 seconds of uniform acceleration from rest, a spacecraft reaches an altitude of 5.7 x 10² meters upwards. What is the final velocity of the Spacecraft?(a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 8.06 m/s when going down a slope for 1.61 s? (b) How far does the skier travel in this time?A 747 airliner reaches its takeoff speed of 156 mi>h in 35.2 s.What is the magnitude of its average acceleration?