if a car is uniformly accelerating in a straight path from A to C, and the...
if a car is uniformly accelerating in a straight path from A to C, and the velocity at A and C are both given, why do you square both velocities and divide by two and take the square root to get the velocity halfway in between A and C at B?
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if a car is uniformly accelerating in a straight path from A to
C, and the...
A three-wheeled car moving along a straight section of road starts from rest, accelerating at 2.00...
A three-wheeled car moving along a straight section of road starts from rest, accelerating at 2.00 m/s² until it reaches a speed of 26.0 m/s. Then the vehicle moves for 77.0 s at constant speed until the brakes are applied, stopping the vehicle in a uniform manner in an additional 5.00 s. (a) How long is the three-wheeled car in motion (in s)? (b) What is the average velocity of the three-wheeled car for the motion described? (Enter the magnitude...
A particle starts from rest and moves in a straight line accelerating uniformly at 3 m/s'...
A particle starts from rest and moves in a straight line accelerating uniformly at 3 m/s' for 2 s. It then travels at constant speed for 3 s. Find the total distance it covers. A. 15 m B. 24 m C. 12 m D. 30 m E. 18m
car moving along a straight section of road starts from rest, accelerating at 2.00 m/s? until...
car moving along a straight section of road starts from rest, accelerating at 2.00 m/s? until it reaches a speed of 25.0 m/s. Then the vehicle moves for 87.0 s at constant speed until the brakes are applied, stopping the vehicle in a uniform manner in an additional 5.00 s (a) How long is the three-wheeled car in motion (in s)? (b) What is the average velocity of the three-wheeled car for the motion described? (Enter the magnitude in m/s.)...
A ride-sharing car moving along a straight section of road starts from rest, accelerating at 2.00...
A ride-sharing car moving along a straight section of road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 32.0 m/s. Then the vehicle moves for 41.0 s at constant speed until the brakes are applied, stopping the vehicle in a uniform manner in an additional 5.00 s. (a) How long is the ride-sharing car in motion (in s)? 62 (b) What is the average velocity of the ride-sharing car for the motion described? (Enter the...
Problem 4 A car travels along a straight road at a speed of 20 m/s, it...
Problem 4 A car travels along a straight road at a speed of 20 m/s, it decelerates uniformly to a stop over a period of 30 seconds; the car then it travels in the opposite of the original direction accelerating uniformly to a speed of 30 m/s in that direction over a period of 15 seconds a) Prepare a scaled time-velocity graph. b) Prepare a scaled time-acceleration graph. c) Prepare a scaled time-distance traveled graph. d) Determine average velocity of...
Velocity graph of a car accelerating from rest to 90 km/h over a period of 30 seconds...
The velocity graph of a car accelerating from rest to a speed of 90 km/h over a period of 30 seconds is shown. Estimate the distance traveled during this period. (Use M6 to get the most precise estimate. Round your answer to two decimal places.)
Three cars, car X, car Y, and car Z, begin accelerating from rest at the same...
Three cars, car X, car Y, and car Z, begin accelerating from rest at the same time. Car X is more massive than car Y, which is more massive than car Z. the net accelerating force exerted on each car is identical. After 10 seconds, which car has the most amount of kinetic energy? (a) They all have the same amount of kinetic energy (b) Car X (c) Car Y (d) Car Z Please explain why in your answer.
2. A car accelerates along a straight road from rest to 90 km/h in 5.0s. What is the magnitude of average accelerat...
2. A car accelerates along a straight road from rest to 90 km/h in 5.0s. What is the magnitude of average acceleration in meters per second squared. 3. If you are driving 110km/h along a straight road and look to the side for 2.0s, how far do you travel during this inattentive period? 4. At highway speeds, a particular car is capable of accelerating at about 1.8m/s?. At this rate, how long does it take to accelerate from 80km/h to...
15) Mike is in his car on his cell phone (hands free of course), he says...
15) Mike is in his car on his cell phone (hands free of course), he says his acceleration is zero, what do you know about the cars motion? (Be careful, Canvas will not have the same order for the answers below!) The car can only be stopped. The car can only be moving with a constant velocity The car could be stopped or moving with a constant velocity The car is slowing down The car is speeding up The car...
A mass of feed-corn is hauled up the silo elevator on the straight path from O...
A mass of feed-corn is hauled up the
silo elevator on the straight path from O to A. When
it is at the midpoint, its speed is 2 ft/s and the
acceleration up the elevator is 0.5 ft/s2. (a) Express
the velocity and acceleration of the mass at this point
in terms of its cylindrical components (vector form).
(b) Express the velocity and acceleration of the mass
at the same point in terms of its cylindrical
components (vector form), if...
A three-wheeled car moving along a straight section of road starts from rest, accelerating at 2.00 m/s² until it reaches a speed of 26.0 m/s. Then the vehicle moves for 77.0 s at constant speed until the brakes are applied, stopping the vehicle in a uniform manner in an additional 5.00 s. (a) How long is the three-wheeled car in motion (in s)? (b) What is the average velocity of the three-wheeled car for the motion described? (Enter the magnitude...
A particle starts from rest and moves in a straight line accelerating uniformly at 3 m/s' for 2 s. It then travels at constant speed for 3 s. Find the total distance it covers. A. 15 m B. 24 m C. 12 m D. 30 m E. 18m
car moving along a straight section of road starts from rest, accelerating at 2.00 m/s? until it reaches a speed of 25.0 m/s. Then the vehicle moves for 87.0 s at constant speed until the brakes are applied, stopping the vehicle in a uniform manner in an additional 5.00 s (a) How long is the three-wheeled car in motion (in s)? (b) What is the average velocity of the three-wheeled car for the motion described? (Enter the magnitude in m/s.)...
A ride-sharing car moving along a straight section of road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 32.0 m/s. Then the vehicle moves for 41.0 s at constant speed until the brakes are applied, stopping the vehicle in a uniform manner in an additional 5.00 s. (a) How long is the ride-sharing car in motion (in s)? 62 (b) What is the average velocity of the ride-sharing car for the motion described? (Enter the...
Problem 4 A car travels along a straight road at a speed of 20 m/s, it decelerates uniformly to a stop over a period of 30 seconds; the car then it travels in the opposite of the original direction accelerating uniformly to a speed of 30 m/s in that direction over a period of 15 seconds a) Prepare a scaled time-velocity graph. b) Prepare a scaled time-acceleration graph. c) Prepare a scaled time-distance traveled graph. d) Determine average velocity of...
2. A car accelerates along a straight road from rest to 90 km/h in 5.0s. What is the magnitude of average acceleration in meters per second squared. 3. If you are driving 110km/h along a straight road and look to the side for 2.0s, how far do you travel during this inattentive period? 4. At highway speeds, a particular car is capable of accelerating at about 1.8m/s?. At this rate, how long does it take to accelerate from 80km/h to...
15) Mike is in his car on his cell phone (hands free of course), he says his acceleration is zero, what do you know about the cars motion? (Be careful, Canvas will not have the same order for the answers below!) The car can only be stopped. The car can only be moving with a constant velocity The car could be stopped or moving with a constant velocity The car is slowing down The car is speeding up The car...
A mass of feed-corn is hauled up the
silo elevator on the straight path from O to A. When
it is at the midpoint, its speed is 2 ft/s and the
acceleration up the elevator is 0.5 ft/s2. (a) Express
the velocity and acceleration of the mass at this point
in terms of its cylindrical components (vector form).
(b) Express the velocity and acceleration of the mass
at the same point in terms of its cylindrical
components (vector form), if...
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