An 8g bullet traveling at 300m/s in the air impacts a wooden post and buries itself 10cm in the wood over 667 microseconds (10^-6 s). Assuming constant acceleration of the bullet, find the force acting on the bullet during this time period.

Q: A copper block with mass m = 200 g, is at rest on a glass surface, where the plane makes an angle θθ…

A: Newton's second law of motion states that the acceleration of an object is directly proportional to…

Q: The average speed of a nitrogen molecule in air is about 686 m/s, and its mass is 4.85 x10-26 kg. If…

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Q: onsider a person standing on a scale in an elevator. If the elevator accelerates upwards with an…

A: Write the given values with the suitable variables. a=1.21 m/s2m=102.9 kg Here, a is the…

Q: A hockey puck (mass = 3.5 kg) leaves the players stick with a speed of 18 m/s and slides on the ice…

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

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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: Just after opening a parachute of negligible mass, a parachutist of mass 81.0 kg experiences an…

A: Mass m = 81 kgAcceleration a = 0.86 m/s²Gravitational acceleration g = 9.8 m/s²

Q: An object has a mass of 7.92 kg and it has an initial velocity vo.lt is acted upon by a force of…

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Q: Two forces F, = (55.76i - 26.83ĵ) N and F, = (27.41î - 76.73ĵ) N are exerted on a particle. The…

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Q: The velocity of a 1.7 kg block sliding down a frictionless inclined plane is found to be 1.15 m/s.…

A: Given The mass of the block is m=1.7 kg. The final velocity of the block is vf=4.45 m/s. The…

Q: A hammer of mass m = 0.465 kg is moving horizontally at a velocity of v = 5.5 m/s when it strikes a…

A: The hammer will be in contact with nail until it drives the nail to a distance of 1.15 cm. After…

Q: Your forehead can withstand a force of about 6.0 kN before fracturing, while your cheekbone can only…

A: Given : F1 = 6 kN = 6000 N F2 = 1.3 kN = 1300 N m = 140 g = 0.14 kg vi = 30 m/s vf = 0 (because…

Q: A figure skater has a mass of 40 kg and her partner's mass is 50 kg. She pushes against the ice with…

A: where, N=normal forceMg=weight a=accelerationFa=applied forceFr=air resistanceFf=friction

Q: A woodpecker’s brain is protected from high accelerations, and thus large forces, by tendon-like…

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Q: Consider 2 forces acting on a mass of 2.27 kg. F1 = 8.2 N @ 24.4 degrees and F2 = 7.18 N @ 76.5…

A: The mass of the object is 2.27 kg.The force F1 is 8.2 N @24.4o with a +x-axis.The force F2 is 7.18 N…

Q: Consider 2 forces acting on a mass of 2.34 kg. F1 = 10.9 N @ 19 degrees and F2 = 9.83 N @ 67.7…

A: as you are observing in figure below two forces F1 = 10.9 N & F2 = 9.83 N are acting on mass of…

Q: Consider 2 forces acting on a mass of 2.42 kg. F1 = 10.4 N @ 18.1 degrees and F2 = 7.07 N @ 66.4…

A: Given Forces are F1 = 10.4 N @ 18.1 degrees  measured relative to the +x direction. and F2 = 7.07 N…

Q: A block of mass m1 = 2.5 kg moving on a rough surface is connected by a light inextensible cord…

A: Given data: Mass 1 is, m1=2.5 kg. Mass 2 is, m2=8.0 kg. Coefficient of kinetic friction is, μk=0.27.

Q: Consider 2 forces acting on a mass of 1.97 kg. F1 = 8.7 N @ 18.6 degrees and F2 = 8.69 N @ 67.5…

A: Given data The mass of an object is m = 1.97 kg The magnitude of the first force is F1=8.7 N The…

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

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Q: A rocket-sled is shown below. It has 4 rocket engines, each of which generates 1.5 x 103 N of thrust…

A: Given: Thrust force (T) = 1.5 x 103 N            Force of friction (f) = 8.0 x 102 N            Mass…

Q: Two forces F, = (74.87î - 40.73ĵ) N and F, = (23.57î - 72.94ĵ) N are exerted on a particle. The…

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

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Q: Consider 2 forces acting on a mass of 2.48 kg. F1 = 10.8 N @ 22.9 degrees and F2 = 8.29 N @ 70.6…

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Q: Just after opening a parachute of negligible mass, a parachutist of mass 90.0 kg experiences an…

A: Given: Mass of  parachutist (m) = 90 kg Upward acceleration (a)= 1.00 m/s2 Weight of parachutist (W)…

Q: A ball of mass 5 kg experiences a change in its velocity from 2 m/s to 4 m/s within 20 s, under the…

A: Given, m = 5 kg  t = 20s u = 2 ms-1 v = 4 m/s

Q: Two forces F, = (81.24î – 26.83ĵ) N and F, = (27.41i - 80.52ĵ) N are exerted on a particle. The…

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Q: A particle of mass 4.00 kg, moving on a horizontal table top, has an acceleration vector (in m/s2)…

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Q: Consider 2 forces acting on a mass of 2.47 kg. F1 = 11.0 N @ 24.5 degrees and F2 = 7.45 N @ 75.7…

A: Given data: The mass, m=2.47 kg. The magnitude of the first force F1 acting on mass m, F1=11.0 N.…

Q: A toy rocket of mass 0.50kg starts from rest on the ground and is launched upward, experiencing a…

A: Given, A toy rocket of mass 0.50kg starts from rest on the ground and is launched upward,…

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…

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Q: 50-kg man and 43-kg woman push off each other and the woman accelerates at 1.71m/s^2. What force…

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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: An engine exerts a force of 8000 N on a 1000 kg car travelling over a flat road (with coefficient of…

A: Given data:  Force applied (F) = 800 N Mass (m) = 1000 kg Initial velocity (u) = 25 m/s Final…

Q: Two forces F, = (68.50î – 12.93ĵ)N and F, = (19.73î - 72.94ĵ) N are exerted on a particle. The…

A: Given: Forces F1→=68.50i^-12.93j^N, F2→=19.73i^-72.94j^N, Mass of the particle m=19.57 kg. Required:…

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 60 kg block slides along the top of a 100 kg block. The lighter block has an acceleration of 3.7…

A: Equilibrium condition in the horizontal direction for mass m1

Q: A toy rocket of mass 0.50kg starts from rest on the ground and is launched upward, experiencing a…

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Q: A box, initially at rest, has 22.9 N of force exerted on it for 7.30 s. If the box has a mass of…

A: Given  Force (F) = 22.9 N  Mass (m) = 5.56 kg  Time (t) = 7.30 s    Acceleration of the box , a =…

Q: A soccer player starts from rest and accelerates forward, reaching a velocity of 9.00 m/s in 3.00 s.…

A: The equation of motion is, v = u + at9m/s =0+a3.0sa=3m/s2

Q: Consider 2 forces acting on a mass of 2.91 kg. F1 = 9.3 N @ 22 degrees and F2 = 6.28 N @ 83.7…

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Q: Consider 2 forces acting on a mass of 2.8 kg. F1 = 11.4 N @ 24.6 degrees and F2 = 7.84 N @ 77.3…

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Q: Two forces F, = (62.13î - 26.83ĵ) N and F, = (19.73î - 69.15ĵ) N are exerted on a particle. The…

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Q: time t = 0 a 2250 kg rocket in outer space fires an engine that exerts an increasing rce on it in…

A: Given: Equation of force Fx=At2 At time t=1.45 s force is 781.25 N Mass of rocket is m=2250 kg Note:…

Q: speed of the rocket at t=6.0s.

A: Given: Mass of rocket is m=0.50 kg Rocket's acceleration for 6 s is given as a=K-Lt2; here K=9 m/s2,…

Q: 7. Review. Three forces acting on an object are given by F, V (-2.00î + 2.00ĵ) N, and F, =(5.00î –…

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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.