A car drives to the north at constant speed. Which direction does its acceleration point? Explain.
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Q: A car accelerates along a straight road from rest to +60.0 km/h in 5.00 s. What is the magnitude of…
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Q: Discuss whether or not the velocity of an object can reverse direction while maintaining a constant…
A: Yes, the velocity of the object can reverse direction when its acceleration is constant.
Q: A building is 46.0 m tall. A jealous boyfriend wishes to drop a tomato from the top of the building…
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Q: 45. Afisherman sets out upstream on a river. His small boat, pow ered by still water. The water…
A: Let us consider earth as a reference frame, vu be the velocity of boat travelling upstream, and vd…
Q: 2. A ball was kicked from the top of a 150 m cliff generating an initial velocity of 20 m/s with an…
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Q: If you threw a ball straight up, the velocity is pointing vertically upward for a short time.
A: Given: Velocity is pointing vertically upward for short time.
Q: 6. You and a friend are doing physics experiments by launching rocks into the air with a sling shot.…
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Q: A particle is moving along a horizontal straight line. The graph of the position function (the…
A: To answer this given problem, we need to inspect the graph closely.
Q: A coin is thrown from a moving car. While it is in flight, it is not true that its what is the…
A: When coin is thrown from a moving car then either it is thrown upward or at any angle or…
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Q: Question 1 For projectile motion, acceleration is constant in both the horizontal direction and…
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Q: Suppose a football is punted straight up, and the total time the ball in the air (hang time) is 2.8…
A: total time in air = 2.8 s football will move under gravity ,with acceleration a=g=9.8 m/s2 total…
Q: 2. A particle is projected vertically upwards from the ground with an initial velocity of 20 m/s. If…
A: Given Data: Initial velocity of the particle (u) = 20 m/s.Acceleration due to gravity (g) = -98…
Q: 2. One of the fastest recorded pitches in major-league baseball, thrown by Tim Lin- cecum in 2009,…
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Q: If an object travels at a constant velocity, what can we say about its acceleration? What is another…
A: If an object travels at a constant velocity, it has zero acceleration. Another Situation: A photon…
Q: In a projectile motion, the velocity is A B C D always perpendicular to the acceleration never…
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Q: "You're in a bus moving with constant velocity on a level road when you throw a ball straight up.…
A: Solution:- When the ball returns it lands back at your hand.
Q: At a football stadium a goalkeeper kicks a football at initial velocity of 16 m/s in the vertical…
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Q: 5. A soccer ball is kicked from the ground with an initial speed of 17.5 m/s at an upward angle of…
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Q: Can an object have a northward velocity and a southward acceleration? Explain.
A: We need to establish if an item can accelerate southward and go northward.
Q: A car starts from rest and drives in a straight line for the next 3.8 km distance in the East…
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Q: A car drives horizontally off a 56 m tall cliff with an initial speed of 26 m/s. How far from the…
A: Given that:- Velocity of car=26m/s Height of cliff=56m
Q: 5. (III) You decide to drop an apple from rest from the observation platform in the statue of…
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Q: TCK W all; 56. .. You throw a stone vertically upward with an initial speed of 6.0 m/s from a…
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Q: A baseball is thrown straight upwards from the ground and undergoes a free fall motion as it rises…
A: When the baseball is thrown upwards, it is given an initial velocity to reach a certain height.…
Q: Asoccer ball is kicked from the ground with an initial speed of 19.5 m/s at an upward angle of…
A: R = u2sin2θg θ = 48.2∘ R = (19.6)2sin96.4∘10R = 38.18T = 2usinθg =2*19.6*Sin48.2) /10 T= 2.92 sec
Q: #5) There is a high-speed police chase on 1-64! The driver of a police car heading East pulls off…
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Q: Use this scenario for the next two questions: A projectile is launched from the ground with the…
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Q: A car leaves A for B at 8:00 a.m. with an average speed of 60 km / h. Another car leaves B for A at…
A: The average speed of the car that left A, vA = 60 km/h The average speed of the car that left B, vB…
Q: A car traveling to the east (+x direction) begins to slow down , the car's acceleration is :
A: Answer (c) in the -x direction Reason -
Q: Assuming that a car traveling to the South (+y direction) begins to slow down as it approaches a…
A: SOlution: Given that a car traveling to the South (+y direction) begins to slow down as it…
Q: 3. Two rockets start from rest at the same elevation. Rocket A accelerates vertically at 20m/s^2 for…
A: Given data For rocket A a=20 m/s2t=12 s For rocket B a=15 m/s2v=150 m/ s Here, a the acceleration. V…
Q: A plane flying at a constant altitude (height) of 5120m and a speed of 192m/s drops a piece of cargo…
A: Write the value of height of the plane from the surface of water. h=5120 m Write the constant…
ANS:- In the given case acceleration will be zero.
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