A 5.5 kg block of wood resting on a platform was hit by a 12 g of bullet travelling upward with a speed of 1142 m/s. The bullet emerges from the block with a speed of 496 m/s.  What is the height reached by the block relative to its initial position? Use g= 9.8 m/s2 .

Q: A 45 kg boy jumps on a stationary cart with luggage. The velocity of the boy when he jumps is 5.3…

A: Using the conservation of momentum, m1u1+m2u2=m1+m2vm1u1=m1+m2v                  u2=0v=m1u1m1+m2

Q: A 6.4 kg block of wood resting on a platform was hit by a 48 g bullet travelling upward with a speed…

A: Given: M=6.4 kgm=48g=0.048 kgubullet=1124 m/sublock=0 m/svbullet=691 m/s

Q: What was the speed of a 14 g bullet if the block's mass is 2.5 kg and if the spring, with k = 50…

A: Given: From part (a) VB =Initial speed of the bullet VB=(kd2+mgd)(M+m)20.5(m+M)m2 m/s Here, m=14 g=…

Q: A 10 g bullet is fired into a 1.0 kg wood block, where it lodges.  Subsequently, the block slides…

A: Given data m=0.01 kgM=1 kgS=4.2 mμ=0.2g=10 N/kg

Q: A 829 g rubber ball was vertically pushed downward at 1.03 m/s from a height of 80.3 cm above a…

A:

Q: A 4.6-g bullet leaves the muzzle of a rifle with a speed of 328 m/s. What force (assumed constant)…

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Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

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Q: NOTE: Round off answer up to 5 decimal places. Answer should be in meter. Encode only the numerical…

A:

Q: A 10-g bullet moving 1000 m/s strikes from below and passes through a 5.0-kg block initially at…

A: Given Data:Mass of the bullet Mass of the block Initial velocity of the bullet Final speed of the…

Q: lock 1 (mass 2.0 kg) is moving rightward at 10 m/s and block 2 (mass 5.0 kg) is moving rightward at…

A:

Q: A 7.6 kg block of wood resting on a platform was hit by a 26 g of bullet travelling upward with a…

A: according to momentum conservation law ,  momentum before collision = momentum after collision…

Q: A spaceprobe in outer space is flying with a constant speed of 1.318 km/s. The probe has a payload…

A:

Q: crane drops a 1.9 kg steel ball onto a steel plate. The ball's speeds just before impact and after…

A:

Q: The driver of a car (1100 kg) traveling at 30 m/s on dry concrete sees a deer in the distance and…

A: The mass of the car m=1100 kg. The velocity of the car v=30 m/s. Standard values: Coefficient of…

Q: A 77 kg man lying on a surface of negligible friction shoves a 61 g stone away from himself, giving…

A: Mass of the person is mp=77 kg Mass of stone is ms=61 g Initially both the person and stone are at…

Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

A:

Q: batman is fighting robin in china. Batman climbs a tall building and while standing on the top of…

A: Given that:- Mass of Batman, mb =9.6×10^3 kg Mass of Robin,  mr =3.1×10^3 kgvelocity of Robin before…

Q: A crane drops a 1.8 kg steel ball onto a steel plate. The ball's speeds just before impact and after…

A:

Q: On the glassy ice, a 70kg skater sits. He propels himself forward by shooting a 3kg ball…

A: M=70kgm=3 kgu2=8 m/s let the speed attained by the skater be u1

Q: A 0.38 kg volley ball is traveling at 34 m/s when its hit back over the net by an opposing player…

A: We need to apply the concept of Conservation of energy . The acceleration generated due to the…

Q: A crane drops a 1.8 kg steel ball onto a steel plate. The ball's speeds just before impact and after…

A: Mass of the crane(m)=1.8 kg Initial speed(vi)= -8.1 m/s Final speed (vf) =  3.7 m/s  Momentum…

Q: A 67.0 kg person is riding a bike on a level horizontal street. Together, the bike and person have a…

A: Mass of the person (m1) =67 kgCombined mass  of  person  and  bike                     is 74.6 kg .…

Q: NOTE: Round off answer up to 5 decimal places. Answer should be in meter. Encode only the numerical…

A: According to law of conservation of momentum ,total momentum before collision is equal to total…

Q: A 350kg cannon sits on a frozen lake. It fires a 400 kg cannonball horizontally with a speed if 300…

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Q: Find the total energy stored ( in units of mJ) in the group of capacitors shown below given that the…

A: There are three capacitors ( 50 uF, 10 uF and 20 uF ) between a and b , out of which 50 uF and 10 uF…

Q: a 4.6-g bullet leaves the muzzle of a rifle with a speed of 332 m/s. What force (assumed constant)…

A: Write the kinematic relation between initial and final velocity

Q: A 75 gram bullet is fired into a 1.5 kg block, which is initially at rest on a flat surface. The…

A: Using the conservation of momentum and energy

Q: Measuring the speed of a bullet. A bullet of mass m is fired horizontally into a wooden block of…

A: Given: mass of bullet =  m  mass of block = M  coefficient of friction = μ Stopping distance =d

Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

A: Mass of the body (m) = 75.1 kg Height (h) = 1.38 m Time (t) = 0.424 sec

Q: A 50 g ball hits the ground at 19 m/s and rebounds at {v 11b} m/s. If the ball remains in contact…

A: Given,

Q: A 30-gram bullet initially travelling at 500 m/s penetrates 12 cm into a wooden block. What average…

A: Given-           mass (m) = 30g           velocity(v) = 500 m/s            penetration (D) = 12 cm

Q: A toy rocket with a mass of 300 g takes off in an upward vertical direction under the influence of…

A: Rocket equation in gravitational field:The rocket equation for the gravitational field is,…

Q: Q15. An astronaut is floating in space near her shuttle when she realizes that the cord that is…

A: total mass = 91 kgmass of metal tool = 1 kgvelocity with which the metal tool is thrown = -9…

Q: In baseball, the pitcher thrusts the ball 145 g towards the batter at a speed of 30 m/s. The batter…

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Q: A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the…

A: Given: The mass of the bullet is 50.0 g. The number of bullets per minute is 300. The muzzle…

Q: A crane drops a 1.9 kg steel ball onto a steel plate. The ball's speeds just before impact and after…

A:

Q: An archer shoots an 18.0-gram arrow at a 43.0-gram target on a wall 32.0 m high. If the arrow is…

A: The given values are, m1=18.0 g=0.018 kgm2=43.0 g=0.043 kgh=32.0 mv0=60.0 m/s

Q: A golf club weighing 1.5 kg strikes a 45 g golf ball at a speed of 70 m/s. The club and the ball…

A: Given data: The mass of the golf club is M=1.5 kg. The mass of golf ball is m=45 g. The speed of…

Q: You drop a 0.625 kg basketball from waist height. The basketball is moving downwards at 4.5 m/s just…

A: Given information:The mass of the basketball is m = 0.625 kgThe velocity of the basketball just…

Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

A:

Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

A: Given that: m=66.5 kgh=1.02 mu=0t=0.274 seca=?

Q: A hydrogen atom is excited from its ground state to the n = 4 state. The atom subsequently emits…

A: The wavelength of the first photon, λ1=656 nm

Q: 3. A 10 g bullet is fired into a 2.00 kg block sitting on a horizontal frictionless surface. The…

A: Given m=10g=0.01kg, M=2kg, θ=40⁰, μ=0.10, d=4.00m

Q: In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a…

A: