The air exerts a forward force of 10 N on the propeller of a 0.20 kg model airplane. If the plane accelerates forward at 2.0 m/s2, what is the magnitude of the resistive force exerted by the air on the airplane?

Q: The velocity of an object of mass m= 5.00 kg is giving by v(t) = (3.0m/s³)t²+ (2.00 m/s²)t. The…

A: Force acting on any object is equal to the rate of change of momentum of that object. It is given by…

Q: A lady pulls a cart with a force of 1800 N. Neglecting friction, if the cart changes from resting to…

A: The third equation of motion gives the final velocity v of an object under uniform acceleration a…

Q: A 65-kg skydiver jumps out of an airplane and falls 320 m, reaching a maximum speed of 69 m/s before…

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Q: The figure below shows an initially stationary block of mass m on a floor. A force of magnitude F =…

A: Introduction: Frictional forces are the Pseudo forces which occur in the nature. When body in motion…

Q: A bullet is moving at 400 m/s as it leaves a rifle barrel that is 65 cm long. If the mass of the…

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Q: Given two forces that act on an object of mass 3.0 kg: F1 with magnitude 24 N and direction 45…

A: Assume the east direction to be +x axis and the north direction to be +y axis. Then the components…

Q: -kg Dail rebounds upward, reaching between Dail and ground lasted 2.4 ms, what average force was…

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Q: What net external force is exerted on a 1500-kg artillery shell fired from a battleship if the shell…

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Q: A 9 kg block experiences a net force in the opposite direction of its velocity for 1 s. Its velocity…

A: Given that mass of the block and decrease in velocity in opposite direction by the net force and…

Q: Two water-skiers, with masses of 48 kg and 61 kg, are preparing to be towed behind the same boat.…

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Q: At time t = 0, constant force F→ begins to act on a rock moving through deep space in the +x…

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Q: Problem 3: The velocity of an object of mass m= 5.00 kg is giving by v(t) = (3.0m/s)t2+ (2.00…

A: Force acting on any object is given according to Newton's laws of motion as F=mam is the mass of the…

Q: What net external force is exerted on a 1100-kg artillery shell fired from a battleship if the shell…

A: Using Newton's second law of motion, F=ma

Q: A bullet , with a mass (m) is shot from the rifle barrel with the lenght (d).The bullet's muzzle…

A: Given data: Mass of bullet = m Barral length = d Bullet's muzzle velocity = v Required: Average…

Q: What net external force is exerted on a 1500-kg artillery shell fired from a battleship if the shell…

A: The mass of the artillery shell is, m=1500 kg   The acceleration of the artillery shell is,…

Q: : A machine part having a mass of 5 Kg slides along a rail aligned with the x axis .Its position is…

A: Given:- mass of the machine part m= 5kg  its position is a function of time t as  x=18t2-3t Find:-…

Q: What net external force is exerted on a 1400-kg artillery shell fired from a battleship if the shell…

A: Given:- mass of artillery shell =1400 kg  velocity of fired (v)=300×104 m/s acceleration…

Q: A toy rocket rises up in the air due to the force generated by the water. Given the…

A:

Q: A net force of 300 N directed 30• north of east acts on a motorcycle and its rider. If the total…

A: Given data :              Net force (Fnet) = 300 N              Direction of force = 30° north of…

Q: Three forces, F1=2Ni+3Nj, F2=-10Nj and F3=3Ni+1Nj-5Nk, act on a particle. Find the net force on the…

A: Given data:  Three forces  F1→=2 Ni^+3 Nj^F2→=-10 Nj^ and F3→=3 Ni^+1 Nj^-5 Nk^ Required: Net force…

Q: A 120-kg car starts at rest and accelerates forward, reaching a velocity of 1600 cm/s in 5 s. What…

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Q: A force F acting on an object has an X component of -22 N and a Y component of 0 N. The magnitude of…

A: Given data, x-component of the force = -22 N y-component of the force = 0 N

Q: a constant horizontal force F of magni- : app tude 20 N is applied to block A of mass mA 4.0 kg,…

A: The acceleration of the blocks is given by,

Q: In a performance test, each of two cars takes 9.6 s to accelerate from rest to 26 m/s. Car A has a…

A: According to Newton's Second Law of Motion, the net force acting on the object is equal to the…

Q: Problem 1: A teenager of mass m = 62 kg pushes backward against the ground with his foot as he rides…

A: FGROUND=FFOOT=17.5NFGROUND=M1+M2aa=FGROUNDM1+M2

Q: .333 kg ball, initally at rest moves a distane of 5.0 m in 1.25 s. what is the magnitude of the…

A: Given: mass of ball, m  = 0.333 kg  distance traveled, S = 5 m time taken, t = 1.25 sec Initial…

Q: he same sum of forces is exerted for the same time interval on an object with hass "m" and an object…

A: Impulse = force × time duration for which force is applied

Q: A block with mass m1 hangs from a rope that is extended over an ideal pulley and attached to a…

A:

Q: Three blocks are in contact with each other on a frictionless, horizontal surface, as shown in the…

A: Data Given , Masses of the three blocks ,  m1 = 2 kg  m2 = 3 kg  m3 = 4 kg  Total Horizontal force (…

Q: DA block of ice with mass 6.00 kg is initially at rest on a frictionless, horizontal surface. A 9.…

A:

Q: In a performance test, each of two cars takes 8.6 s to accelerate from rest to 26 m/s. Car A has a…

A: From kinematics equation:

Q: A(n) 927 kg drag race car accelerates fromrest to 115 km/h in 1.11 s. What average force is exerted…

A: Given datamass of car m=927 kgInitial velocity u=0Final velocity V=115 km/h…

Q: Three blocks on a frictionless horizontal surface are in contact with each other, as shown. A force…

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Q: How much force is needed to make a rocket move in constant velocity in a frictionless outer space? O…

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Q: What net external force is exerted on a 1400-kg artillery shell fired from a battleship if the shell…

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Q: A block with mass of m, = 2 kg is placed on top of a block with a mass m2 = 4 kg. A horizontal force…

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Q: A 863-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it…

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Q: What net external force is exerted on a 1500-kg artillery shell fired from a battleship if the shell…

A: Given data:  Mass (m) = 1500 kg Acceleration (a) = 2.00 × 104 m/s

Q: A block with a mass of m = 22 kg rests on a frictionless surface and is subject to two forces acting…

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Q: Two forces F1 = (55.6i - 26.83j) N and F2 = (27.41i - 80.52j) N are exerted on a particle. The…

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Q: A 2 kg otter starts from rest at the top of a muddy incline to 85 cm long and slides down to the…

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Q: A train, consisting of three coaches A, B and C, linked together via tow-bars, is moving towards the…

A: Problem of connected bodies

Q: A block of mass 3.00 kg is pushed up against a wall by a force P that makes a 50.0° angle with the…

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Q: A hockey player slaps a puck into a cushion, which brings the puck to rest.  If the puck's initial…

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Q: What is the magnitude of the average force, in newtons, exerted on a 0.0295-kg bullet to accelerate…

A: Calculate the change in momentum of the bullet. change in momentum = m(v2 - v1)…

Q: A 70 kg bicyclist is riding her 15 kg bicycle downhill on a road with a slope of 80 without pedaling…

A: The terminal velocity of free falling object is reached when the drag force equals to the components…

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.