Find the dimensions of a) linear momentum b) frequency c) pressure
Q: Two objects are thrown from the top of a tall building and experience no appreciable air resistance.…
A: Given data: Two objects are thrown from the top of the tall building Air resistance is zero One is…
Q: A child on a bike (51kg total) skids to a stop from a speed of 5.790ms, leaving a trail that is…
A: Answer : We know if any person starts his journey with an initial speed u and after travelling a…
Q: 4.2. Two uniformly charged, infinite, nonconducting planes are parallel to a yz plane and positioned…
A: (given) The magnitude of surface charge densities on the plane are σ1 = 50 nC/m2 = 50 × 10-9…
Q: Explain how something can be moving at a constant speed yet be accelerating at the same time.
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Q: A force of 3 N is applied to a 200 g cart. If the cart has 2 N of resistance, determine the…
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Q: Find the value of distance covered by car in 5 s if speed of car is 20 m/s
A: Given value--- time = 5 sec. speed = 20 m/s . We have to find--- distance?
Q: A ball dropped from the roof of a building 94 m high will hit the ground with a velocity of _____…
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Q: 4.44 One of the consequences of the law of conservation of energy [Eq. (4.27)] is that a roller…
A: according to conservation of energy energy can never be destroyed only it can transform from one…
Q: What is the acceleration of g
A: Answer 14.62 m/s2
Q: An accident investigator finds the wreckage of a car 40 m from the base of a 10 m cliff. The cliff…
A: Given data: The distance from the cliff is R=40 m. The height of cliff is h=10 m.
Q: what initial speed must you need to jump off the ground vertically and rise to a height of 0.9m?
A: SOlution: Given that h = 0.9 m to determine the initial speed
Q: a train moves with 1000 km/h , the driver pulls the break to stop then the train stopped after 9 s ,…
A: Given: Train velocity u=1000 kmhr = 100060×60=518 kmsec Stopping time t=9 sec We know…
Q: SA -29 S2 -29 S3 S6
A: Given: Charge enclosed
Q: When a braking force, F, is applied to a car moving at a speed v, the car comes to a stop in 8.0 s.…
A: Given data: Time taken to stop (t) = 8.0 s Initial velocity (Vi) = v Final velocity (Vf) = 0 New…
Q: A 9900 N small car is moved by a 650 N force. If the car starts from the rest, then how fast is it…
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Q: a 12kg ball is dropped from rest. How fast is it going once it has fallen 8m? ignore air resistance
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Q: when a car brakes hard, _ is moving backward. 1. the driver inside the car 2. nothing 3. the car…
A: Given:- when a car brakes hard what is moving backward.
Q: Newton’s second law of motion relates an object’s acceleration to ___ * a. its mass. b. its…
A: Given in question - Newton's second law. To find - Newton’s second law of motion relates an…
Q: In the figure, block 1 has mass m1 = 470 g, block 2 has mass m2 = 530 g, and the pulley is on a…
A: Given: Mass of block 1,m1=470g=470×10-3kgMass of block…
Q: 1. A 250 N force pushing a body east and a 200 N force pushing the same body 30° NE.
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Q: A stone is dropped with an initial velocity of 80ft/s. How fast is it moving 1.5 seconds? If the…
A: Given The initial velocity of the stone is u=80 ft/s. The time travel by the stone is t=1.5 s. The…
Q: Hector went to the grocery store by heading due north at 3 m/s, then turning east and continuing at…
A: Answer is (d) Hector's velocity changed because his direction changed .
Q: Same situation as in the previous problem this time the magnet has mass 7.80 kg, the force pulling…
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Q: Explain why a car has maximum speed
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Q: A point-charge qa = -5.00×10-C is held fixed at xA = -0.400 m. How much work needs to be done by a…
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Q: A car, initially at rest, travels 20 m in 2 s with constant acceleration. What is the acceleration.…
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Q: A car initially traveling at 12.5 mph comes to rest in 8 s. What was its acceleration in this time?
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Q: A 300 kg bear slides down a tree. If the bear experiences 1200 N of resistance, find the bear's…
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Q: 15 N applied on a 60kg chair how fast is the chair accelerating
A: The objective of the question is to find the acceleration of the chair when a force of 15 N is…
Q: Walking by the Bard tennis courts you'll frequently find a ball that's been hit outside the fenced-…
A: Given that:Height of the fence: H=10 ftHorizontal distance: d=15 ftAngle of projection: θ=30°Initial…
Q: truck traveling at 40.84 m/s skids to a stop in 2.43 s. Determine the skidding distance of the car.…
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Q: 4. To what height will an object pushed up a ramp inclined at 60° go if its initial velocity is…
A: Given: Angle of the ramp, ø = 60o Initial velocity, u = 15 m/s
Q: The figure below shows a box with mass m = 5.7 kg pulled up a plane inclined at an angle of 8 = 26°…
A: Mass of the block Angle of inclination of the ramp Magnitude of force parallel to the ramp…
Q: A bicycle travelling at 8.0m/s [East] slows to 3.0m/s [East]. What is the bicycle's change in…
A: The objective of the question is to find the change in velocity and the direction of acceleration of…
Q: Find the value of speed of car if distance covered by car is 12 km in 0.5 hr
A: Distance covered, d=12 km Time taken, t=0.5 hour
Q: Start from rest on a level roada girl can reach a speed of 5m/s in 10s on her bicycle find the…
A: Given:Initial velocity = 0 (rest)final velocity = 5 m/stime elapsed = 10 s Required:a)…
Q: 7 The position vs time plot for the tip of the beak of a woodpecker is shown to the right (→). You…
A: Solution: g. The slope of the position time graph gives thevelocity. The slope of the graph at t = 2…
Q: A roller coaster car starts from rest from the point A. If the velocity of the car at the point B is…
A: At point A The car is at rest, velocity of the car, v=0 let the mass of the car be m Therefore the…
Q: You are driving a car down a straight highway when you come upon a sudden accident. You slam on your…
A: While you slam in your brakes, the velocity of your car decreases. this is due to the fact the brake…
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