A barefoot field-goal kicker imparts a speed of 44 m/s to a football initially at rest. If the football has a mass of 0.41 kg and the time of contact with the ball is 0.033 s, what is the magnitude of the force exerted by the ball on the kicker’s foot? Answer in units of N.

Q: (ii) The retardation of a particle P moving in a straight line with speed v ms' is (2 + v) ms².…

A: Initial velocity of the particle v=10 m/s Retardation of the particle a=-(2+v)m/s2 The time for…

Q: A time-dependent force,  = (7.40i - 3.80tj) N (where t is in seconds) is applied to a 2.00 kg object…

A:

Q: vo teams of six members engage in a tug of war. Each of the first team's embers has an average mass…

A:

Q: In a particle accelerator, a proton has mass 1.67 x 10-27 kg and an initial speed of 2.00 × 105 m/s.…

A: We have to determine the magnitude of force exerted on Proton. Given that, Mass of proton…

Q: a person in kayak atarts padding, and it accelarates from 0 to 0.474 m/s in a distance of 0.584 m.…

A: According to the Newton's laws of motion , the final velocity v and displacement s are calculated by…

Q: A high diver of mass 57.2 kg steps off a board 10.0 m above the water and falls vertical to the…

A: Given:Mass of the diver, m = 57.2 kgHeight of the board from the surface of water, h = 10 mTime…

Q: Chapter 05, Problem 035 X Incorrect. The velocity of a 2 kg particle is given by v = (2t i+5t j)…

A: Given data The mass of the particle is m = 2 kg The velocity of the particle is v→=2t i^+5t2 j^  m/s…

Q: s The giant Pacific octopus (Enteroctopus dofleini) has a typical mass of 15 kg and can propel…

A: a. the thrust generated by the body is

Q: Starting from rest, a 63.0 kg woman jumps down to the floor from a helght of 0.660 m, and…

A: Hai, since there are multiple sub parts posted, we will answer the first three sub parts. (a) The…

Q: A 7.00 kg object has the given x and y acceleration components. 4 (o51)- (0.73) (107) (079) az = ay…

A:

Q: A dog and a sledge are on the frictionless ice of a frozen lake, 14.4 m apart but connected by a…

A: Distance , d = 14.4 m Acceleration of sledge , as = 0.5 m/s2 Acceleration of dog, ad = 0.1 m/s2 To…

Q: Two people, one with a mass of 70kg and one with a mass of 45kg, sit on 5-kg frictionless cars that…

A:

Q: A child is riding in a child-restraint chair, securely fastened to the seat of a car. Assume the car…

A: Force is given by,

Q: The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously…

A:

Q: 1D Constant Force. A vehicle weighing 2.00 × 10³ kg is being driven at a constant velocity through a…

A:

Q: A 8.00-kg object undergoes an acceleration given by = (4.00 î + 9.00 ĵ) m/s2.   Find the resultant…

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Q: A 3.40-kg object is moving in a plane, with its x and y coordinates given by x = 3t2 − 2 and y = 2t3…

A:

Q: Three crates with various contents are pulled by a force Fpull = 3677 N across a horizontal,…

A: Fpull = 3677 N acceleration (a) = 1.43 ms2F12 = 1397 NF23 = 2351 N

Q: monitor their mass gains or losses, and adjust their diet. One way to do this is to exert a known…

A: We know that the newton second law of motion is given as  F= ma where m is the mass of the…

Q: A 3.9 kg toy car can move along an x axis. The figure gives Fx of the force acting on the car, which…

A: Mass of the car =3.9 kg Force =3.1 N P=F×t

Q: A freight train consists of a 8.31E+05-kg engine car followed by 51 cars, each with a mass equal to…

A:

Q: A 50.0-kg object is initially moving south at 20.0 m/s. Then a force acts on it for 3.00 s, after…

A:

Q: The velocity of a 3.00 kg particle is given by i = (8.00ti + 3.00ť² j)m/s,with timet in seconds. At…

A:

Q: The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously…

A: In this case, the charges have the same sign. So the force would be repulsive.   The expression for…

Q: The nucleus of Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously…

A: Given: The separation between two alpha particle is 3.16x10-15 m. The mass of the alpha particle is…

Q: A 10.0-kg object is initially moving east at 15.0 m/s. Then a force acts on it for 2.00 s, after…

A: We have to find the magnitude and direction of force Given that Mass of body m is 10 kg, initial…

Q: A 3 kg object has a velocity of 3i m/sat one instant. 8 seconds later, its velocity is (5i + 7j)…

A: mass = 3 kg initial velocity = 3 i^ msfinal velocity = 5i^ + 7j^ mstime = 8 seconds

Q: The rocket sled shown in the figure accelerates to the right at a rate of 29.4m/s2. Its passenger…

A: Mass of the passenger, m=73 kg The acceleration of the sled, a=29.4 m/s2

Q: A 80.0 kg diver falls from rest into a swimming pool from a height of 5.50 m. It takes 1.84 s for…

A: Mass of diver (M) = 80kg  Height of diver from pool = 5.50 m  Time taken by diver to stop inside…

Q: A 1.0 kg object has a velocity of 5.0f m/s at t = 0. A constant resultant force of (3.0î + 4.0j ) N…

A: Given:Mass,m=1 kgVelocity,v=5 m/sForce,F=(3i+4j)Time,t=3 sFind Magnitude of objects's velocity…

Q: On Neptune, a 2.50-kg object, initially at rest, falls a distance of 6 96 m in 1.12 s. The magnitude…

A: Given data: Mass (m) = 2.50 kg Initial velocity (v0) = 0 m/s Distance falls (h) = 6.96 m Time (t) =…

Q: A 63.0 kgkg parachutist falling vertically at a speed of 6.50 m/sm/s hits the ground, which brings…

A: Write the given values to the specified variables.Here, m, u, v,  are the mass, initial speed, final…

Q: a 2.5 kg mass is initially at rest on a horizontal surface. Am applied force acts in the + x…

A:

Q: 12 kg and m2 = m = 8 kg Three crates with masses m, = are connected on a rough floor with a…

A:

Q: 3.09 kg mass is initially at rest while upon a frictionless, horizontal surface. An  applied force…

A:

Q: The nucleus of "Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously…

A: Given value--- they are 4.88 x 105 m apart. We have to find--- (a) What is the force between the…

Q: A 4.54 × 104-kg lunar landing craft is about to touch down on the surface of the moon, where the…

A: Given: Firstly we find the acceleration of spacecraft by using the third kinematic equation.…

Q: A 191-g particle is moving with a velocity v1 = i + j + 2k at a time ti = 1.2s. If the single force…

A: Concept used: Acceleration of a particle is rate of change of its velocity.

Q: an object with a mass of (m) is moving along the x-axis according the the equation x(t) = at^2 -2bt,…

A:

Q: high diver of mass 51.6 kg steps off a board 10.0 m above the water and falls vertical to the water,…

A: Given Mass of diver m = 51.6 kg Height h = 10.0 m

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…

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.