An unidentified flying object (UFO) is observed to travel a total distance of 37000 m, starting...
An unidentified flying object (UFO) is observed to travel a total distance of 37000 m, starting and ending at rest, over a duration of 1.97 s. Assuming the UFO accelerated at a constant rate to the midpoint of its journey and then decelerated at a constant rate the rest of the way, what was the magnitude of its acceleration? Express your answer in g s , where 1 g = 9.81 m/s^2.
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An unidentified flying object (UFO) is observed to travel a
total distance of 37000 m, starting...
A car is observed to travel a total distance of 31000 m, starting and ending at...
A car is observed to travel a total distance of 31000 m, starting and ending at rest, over a duration of 3.42 s. Assuming the car accelerated at a constant rate to the midpoint of its journey and then decelerated at a constant rate the rest of the way, what was the magnitude of its acceleration? Express your answer in g s , where 1 g = 9.81 m/s^2.
5. Starting from rest, a particle confined to move along a straight line is accelerated at...
5. Starting from rest, a particle confined to move along a straight line is accelerated at a rate of 5.0 m/s Which one of the following statements accurately describes the motion of this particle? A) The particle travels 5.0 m during each second. B) The particle travels 5.0 m only during the first second. C) The speed of the particle increases by 5.0 m/s during each second. D) The acceleration of the particle increases by 5.0 m/s during each second....
5. Consider an object weighing m (kg) that is initially at rest and experiences a constant...
5. Consider an object weighing m (kg) that is initially at rest and experiences a constant acceleration of a (m/s2) for a duration of t (s). Express your answer to each of the following questions in the form of an equation involving only the variables m, a, and t (neglecting the effects of friction). (a) What is the force on the object? (b) Integrate the acceleration to obtain the final velocity of the object. (c) Integrate the velocity to obtain...
5. A car starting from rest moves in a straight line with a constant acceleration of...
5. A car starting from rest moves in a straight line with a constant acceleration of 2.20 m's for 100 s,then slows down to a stop with a constant deceleration of 3.05 m/s. How far does it travel? meters 6. Two cars are traveling along a straight road. Car (A) maintains a constant spoed of 900 kmh: car (B) maintains a constant spoed of 101 km/h. Att0, car (B) is 450 km behind car A. How far will car (A)...
An object of mass 7.5 kg is attached to a spring constant 2.5 N/m. Starting from...
An object of mass 7.5 kg is attached to a spring constant 2.5 N/m. Starting from its maximum displacement at rest, the object undergoes simple harmonic oscillations of amplitude 53 cm. after 4.5 s have passed, determine: A) the objects position x=-0.45 m B) the objects velocity v= -0.16 m/s C) the objects acceleration a= 0.15 m/s2 D) the objects kinetic energy K= 0.095 J E) the potential energy store in the spring U=0.26J F) the total energy in the...
A computer disk drive is turned on starting from rest and has constant angular acceleration. - If...
A computer disk drive is turned on starting from rest and has constant angular acceleration. - If it took 0.830 s for the drive to make its second complete revolution, how long did it take to make the first complete revolution? - What is its angular acceleration, in rad/s2? A uniform, solid disk with mass m and radius R is pivoted about a horizontal axis through its center. A small object of the same mass m is glued to the...
A boy shoves his stuffed toy zebra down a frictionless chute, starting at a height of...
A boy shoves his stuffed toy zebra down a frictionless chute, starting at a height of 1.75 m above the bottom of the chute and with an initial speed of 1.25 m/s. The toy animal emerges horizontally from the bottom of the chute and continues sliding along a horizontal surface with coefficient of kinetic friction 0.279. How far from the bottom of the chute does the toy zebra come to rest? Take g = 9.81 m/s2 Mickey, a daredevil mouse...
So I know there is 4 different equationsfor kinematics. Can you pick the problems that use...
So
I know there is 4 different equationsfor kinematics. Can you pick
the problems that use each one and write out how you do it?
Especially 6 and 10 because those seem very hard.
1-D Kinematics Practice PHYS&114 Name: 1. A car starting from rest travels 231 m with a constant acceleration of 1.05 3. What is its 2. How far does a train travel while its velocity changes from +102 to +45.0 등 in 22.0 seconds? 3. You sprint...
5. A car starting from rest moves in a straight line with a constant acceleration of...
5. A car starting from rest moves in a straight line with a constant acceleration of 2.20 m/s? for 14.0 s, then slows down to a stop with a deceleration of 2.90 m/s2. How far does it travel? constant meters 6. Two cars are traveling along a straight road. Car (A) maintains a constant speed of 890 kmh; car (B) maintains a constant speed of 115 km/h. Att o, car (B) is 39.0 km behind car A. How far will...
1. Cheetahs can accelerate to a speed of 20.0 m/s in 2.50 s and can continue...
1. Cheetahs can accelerate to a speed of 20.0 m/s in 2.50 s and can continue to accelerate to reach a top speed of 27.6 m/s. Assume the acceleration is constant until the top speed is reached and is zero thereafter. Let the +?+x direction point in the direction the cheetah runs. Express the cheetah's top speed ?top in miles per hour (mi/h)(mi/h) . vtop = Starting from a crouched position, how much time ?accel does it take a cheetah...
5. Starting from rest, a particle confined to move along a straight line is accelerated at a rate of 5.0 m/s Which one of the following statements accurately describes the motion of this particle? A) The particle travels 5.0 m during each second. B) The particle travels 5.0 m only during the first second. C) The speed of the particle increases by 5.0 m/s during each second. D) The acceleration of the particle increases by 5.0 m/s during each second....
5. A car starting from rest moves in a straight line with a constant acceleration of 2.20 m's for 100 s,then slows down to a stop with a constant deceleration of 3.05 m/s. How far does it travel? meters 6. Two cars are traveling along a straight road. Car (A) maintains a constant spoed of 900 kmh: car (B) maintains a constant spoed of 101 km/h. Att0, car (B) is 450 km behind car A. How far will car (A)...
So
I know there is 4 different equationsfor kinematics. Can you pick
the problems that use each one and write out how you do it?
Especially 6 and 10 because those seem very hard.
1-D Kinematics Practice PHYS&114 Name: 1. A car starting from rest travels 231 m with a constant acceleration of 1.05 3. What is its 2. How far does a train travel while its velocity changes from +102 to +45.0 등 in 22.0 seconds? 3. You sprint...
5. A car starting from rest moves in a straight line with a constant acceleration of 2.20 m/s? for 14.0 s, then slows down to a stop with a deceleration of 2.90 m/s2. How far does it travel? constant meters 6. Two cars are traveling along a straight road. Car (A) maintains a constant speed of 890 kmh; car (B) maintains a constant speed of 115 km/h. Att o, car (B) is 39.0 km behind car A. How far will...
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