Which of the following quantities are perpendicular for an object in uniform circular motion?     instantaneous velocity and centripetal acceleration     gravitational acceleration and instantaneous velocity     gravitational acceleration and centripetal acceleration     radius and centripetal acceleration

Q: A child whirls a ball around in circles on the end of a 48 cm long string at a frequency of 2.5 Hz.…

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Q: A car moves at a constant speed around a loop of radius 5 meters in 6 seconds. The car’s AVERAGE…

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Q: A particle revolves in a horizontal circle of radius 1.99 m. At a particular instant, its…

A: Write the expression for the centripetal acceleration. Here, v represents the speed, a represents…

Q: An object is moving in a circular path at a constant rate      What is the direction of the…

A: Given data: Object moving in uniform circular motion Required: The direction of velocity and…

Q: Centripetal acceleration is in the opposite direction of centripetal force. True False The normal…

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Q: cars racing down a track at a velocity of 65 m / s the length of a racetrack was 1250 km in length…

A: Given: Length of track L=1250 km=1250000 m Velocity of car is v=65 m/s

Q: ball on a string is swung in a horizontal circle at a constant speed of 4.3m/s . The centripetal…

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Q: A 5.0 kg-mass rotates horizontally at a rate of 1 revolution per second. If the radius of the…

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Q: A ball is thrown horizontally at 10.0 m/s from the top of a hill. It falls to the ground 32 m from…

A: speed of the ball is 10.0m/s, ground to base of the hill distance is 32m, time has to be found, so…

Q: A car travels at a constant speed of 42 km/h in a circular track with a diameter of 2 km what is the…

A: Given  Speed v=42km/h=42×518=11.7m/s Diameter d=2km Radus r=1km=1000m

Q: I need help with this Hw Problem.

A: Uniform motion is defined as the motion of an object in a circle with constant speed and the…

Q: An object traveling in a circular path at constant speed _______. a) is moving with constant…

A: To move an object in circular path ,a force known as centripetal force is required . It is given…

Q: An object moves in a circular path at a constant speed. Compare the direction of the object's…

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Q: centrifuge that has a radius of 10 m. The astronaut is experiencing 10g, meaning that the…

A: Given: The Radius  of the centrifuge (r) = 10 m. The mass  experienced by the astronaut (m) = 10 g…

Q: A ball attached to the end of a string is swung around in a circular path of radius r. If the radius…

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Q: An object of mass 2.0 kg revolves at 60.0 rpm in a horizontal circle of radius 0.10 m. Determine the…

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Q: Tom runs in the circle trajectory with the diameter of 22 m from point A and comeback to point A.…

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Q: The moon is going around the Earth at a speed of 1022 m/s. The moon is 3.48 x 108 m. Assume the…

A: Given, The speed of moon is 1022 m/s the moon is at 3.48 x 10^8 m here we can assume the moon’s…

Q: For an object travelling with “uniform circular motion,” its acceleration is a. zero because the…

A: For an object travelling with uniform circular motion its acceleration is directed towards the…

Q: If an object travels in a circular path at a constant velocity, the object is being accelerated…

A: When an object travels in a circular path at constant speed, it changes direction of motion at every…

Q: You launch a projectile horizontally from a building 42.7 m above the ground at another building…

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Q: A body which is traveling around a circle at constant speed a) is not accelerated.   (b) has…

A: given:a body is travelling around a circle with constant speed

Q: A model rocket flies horizontally off the edge of the cliff at a velocity of 50 m/s. If the canyon…

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Q: an object has a radius R and a velocity V and a mass M. What happens to centripetal acceleration…

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Q: An object In a projectile motion will follow which path? Curved up from the ground Curved down from…

A: An object in projectile motion follows parabolic path.

Q: 85. Projectile A is fired with velocity v at an angle of 30.° above the horizontal. Projectile B is…

A: If an projectile is fired with initial speed, v at an angle θ above the horizontal direction,

Q: In each of the four situations below an object is experiencing (nearly) uniform circular motion.…

A: Centripetal force is required to move an object in circular path .It is provided by already…

Q: 83. The path of a projectile fired at an angle of 30.° above the horizontal is best described as (1)…

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Q: ball attached to the end of a string is swung around in a circular path of radius r. If the radius…

A: initial radius r Linear speed is kept constant

Q: A ball on a string is swung in a horizontal circle at a constant speed of 4.3 m/s. The centripetal…

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Q: Three kids in a parking lot launch a rocket that rises into the air along a 380 m long arc for 40s.…

A: The distance traveled by rocket is, The time taken by the rocket to travel the given distance is,

Q: A toy car drives around a circular track with a radius of 10 m. When the car’s velocity is…

A: A toy car drives around a circular track with a radius of 10 m. When the car’s velocity is…

Q: You launch a projectile horizontally from a building 37.0 m above the ground at another building…

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Q: The earth rotates once per day about an axis passing through the north and south poles, an axis that…

A: Radius of earth (R)=6.38×106 m Latitude (θ)=33o

Q: A stone is tied to a string and rotated at 6 m/s in a horizontal circle. The speed is then decreased…

A: Given  V1= 6 m/s   V2 = 2 m/s  Since , Length of string is fixed . Let length of string is 'R' .…

Q: A car is traveling at a constant speed around a perfectly circular track. The net acceleration on…

A: To determine: The correct option.

Q: You launch a projectile horizontally from a building 31.0 m above the ground at another building…

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Q: An object moves in a circular path at a constant speed. What is the relationship between the…

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Q: In each of the four situations below an object is experiencing (nearly) uniform circular motion.…

A: When an object rotates in a circle, then a centrifugal force tries to remove the object from the…

Q: You launch a projectile toward a tall building, from a position on the ground 23.7 m away from the…

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Q: A boy is standing inside a train moving with a constant velocity of magnitude 10 m/s. He throws a…

A: Given:) speed of train(vx)=10 m/s upward speed of ball(vy)=5 m/s to find:) radius of curvature of…

Q: A bob mass m is tied to a string and moves with a velocity v in a vertical circular path of radius r…

A: To determine: The correct option.

Q: A boy swings a rubber ball attached to a string over his head in a horizontal, circular path. The…

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Q: A ball on the end of a string is whirled around in a horizontal circle of radius 0.254 m. The plane…

A: Height of the circular plane(h)= 1.31 m Radius of the circle (R)= 0.254 m Distance traveled by the…

Q: Which of the following statements are true. Select all correct answers a. The direction of…

A: Required : The correct statement(s).

Q: A ball is thrown into the air and follows a parabolic trajectory. At the highest point in the…

A: When a ball through into the air and follows a parabolic path. At the highest point in the…

Q: The acceleration due to gravity at or near the surface of the moon is approximately 1/6 g. This is…

A: Given Acceleration due to gravity on moon=g/6 m/s2 Recall 1m=3.281ft Also g=9.81 m/s2 So…

Q: An automobile is going around a circle with a constant speed of 25mph. Choose the correct statement…

A: Velocity is a vector quantity; therefore to have ‘not changing velocity’ means neither changing…

Q: You launch a projectile at an initial speed of 38.2 m/s from the ground. After 4.70 seconds of…

A: We know thatT=2usinθgWhereT=time of flightu=initial speedθ=Angle of projectiong=gravity acceleration

Q: A baseball player leads off the game and hits a long home run. The ball leaves the bat at an angle…

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