On Earth, an astronaut and equipment weigh 1,960 N.  While weightless ikn space, the astronaut fires a 100-N rocket backpack for 2.0 s.  What is the resulting velocity of the astronaut and equipment?

Q: A 20 g bullet strikes and becomes embedded in a 1.45 kg block of wood placed on a horizontal surface…

A: Given: The mass of the bullet is mbullet=20 g, The mass of the block of wood is mwood=1.45 kg, The…

Q: Helicopter drops a 0.30 kg copper ball onto a steel plate. The ball's velocity just before impact…

A: Given data: Mass of copper ball, m=0.30 kg Velocity before impact, Vi=4.5 m/s Velocity after…

Q: 3. A body of mass 2 kg is supposed to have an initial velocity of 10m/s and is then pulled 4 meters…

A: Given Data : The mass of the body is given as m = 2Kg. The initial velocity of the body is given as…

Q: An object of mass 1.3 kg, with an initial velocity of 0.0 i m/s, is hit with an average force of 424…

A: mass = 1.3 kg Initial velocity = 0.0 msforce (f) = 424 i^ N time (t) = 113 ms = 0.113 s

Q: A wooden cube 13 cm in each direction is floating so that 55% of it is under water. How much mass…

A:

Q: 3. For the system: x,(t) f(t) M1 surface friction - f, = 6.0 Nm/s a. Find an equation that relates…

A: (given) Mass (M1)    Surface friction fv = 6 Nm/s Equation of motion, (Ms2+6s) X(s)= F(s)Transfer…

Q: d. Determine the mass, m3, assuming that m1 and m, are accelerating down the ramp at a rate of…

A:

Q: 1) A 1.7x10³ slug bullet moving at 672 mph passes through a 1% inch thick sheet of foam plastic and…

A: Mass of slug bullet (m)=1.7×10-3kg Initial Velocity of bullet u=672mph=1081.45 kmh=300 m/s Velocity…

Q: 1. The system shown remains at rest. What is the force of friction on the block on the slope? W=20 N…

A:

Q: new design rocket nass kg has a propuision e ct gases at a constant speed of 271.73 m/s (vGas) by…

A: Given:- A new design of stratum 15 rocket  m = 1.71 x 106 kg  v = 271.73 m/s  burning fuel at a rate…

Q: Flying Circus of Physics In February 1955, a paratrooper fell 370 m from an airplane without being…

A:

Q: NASA's Saturn V rockets that launched astronauts to the moon were powered by the strongest rocket…

A: Thrust force acting on the rocket is F = 6.77 x 106 N Burning fuel rate R = 2.63 x 103 kg/s   “Since…

Q: 3. a) What is the Impulse-Momentum theorem? b) Show the connection between the Impulse- Momentum…

A: Impulse momentum Theorem is the second name of newton's 2nd law .

Q: 14. mmh A golf club strikes a 0.045-kg golf ball in order to launch it from the tee. For simplicity,…

A:

Q: A rifle is aimed at a block of wood which is suspended directly above the muzzle of the rifle. The…

A: Given: Mass of the bullet m = 7 g Mass of the block M = 93.0 g speed of the bullet before collision…

Q: You kick a 0.425 kg soccer ball, taking it from rest to a speed of 14 m/s in 0.10s. What is the…

A: Given data The mass of the soccer ball is m = 0.425 kg The ball's initial speed is u = 0 m/s The…

Q: A 25.0-gram bullet enters a 2.35-kg watermelon with a speed of 217 m/s and exits the opposite side…

A: Given Mass of the bullet m = 25.0 g = 25.0 x 10-3 kg Mass of the watermelon m’ = 2.35 kg Initial…

Q: A rod that is .25 m in length has a linear density defined by  λ= 3x - 2  where λ  is measured in…

A: The linear density of the rod is, λ=3x-2 g/cm The rod's length is, L=0.25 m=25 cm

Q: NASA's Saturn V rockets that launched astronauts to the moon were powered by the strongest rocket…

A: Given thrust and burning fuel rate, F=6.77×106 Ndmdt=2.63×103 kg/s

Q: A flying squid (family Ommastrephidae) is able to “ jump” off the surface of the sea by taking water…

A: a) the conservation of momentum in the vertical direction,

Q: NASA's Saturn V rockets that launched astronauts to the moon were powered by the strongest rocket…

A: Given, NASA's Saturn V rockets that launched astronauts to the moon were powered by the strongest…

Q: (a) Tony Hawco (m362 kg), a Newfoundland based skater decides to have his first ride on the new…

A: Given Data : The velocity of tony at point A is given as v0=2 ms The velocity of tony at point B is…

Q: 1 At the end of the Shock Wave roller coaster ride, the 8000-kg train of cars (includes passengers)…

A: mass of the train , M = 8000 kg ,  Initial Velocity , Vi = 15 m/s  final Velocity , Vf = 2 m/s…

Q: #8. A rod of length 30.0 cm has linear density (mass per length) given by a = 50.0 + 20.0x where x…

A:

Q: DOES AN OJECT AT REST HAVE MOMENTUM? WHY OR WHY NOT? * efe WHAT ASSUMPTIONS WILL YOU MAKE REGARDING…

A: Acceleration is vector quantity. When object change its direction then it's velocity gets changed…

Q: .A 1500-N force is required to raise an aluminum slab (the density of aluminum is 2700 kg/m3 ) to a…

A: Given: Upward force required, F = 1500 N density of aluminum, d = 2700 kg/m3 density of water = 1000…

Q: NASA's Saturn V rockets that launched astronauts to the moon were powered by the strongest rocket…

A:

Q: Q2 ) The fuel supply for the main engines of the NASA space shuttle consists of 102 x 10³ kg of…

A: Given, Mass of liquid hydrogen,m1=102×103kg Mass of liquid oxygen,m2=609×103kg Time, t=8 min=480 s…

Q: A 5 kg block of wood resting on a platform was hit by a 0.06 kg of bullet travelling upward with a…

A:

Q: 74. A 0.50-kg ball that is tied to the end of a 1.5-m light cord is revolved in a horizontal plane,…

A: The ball having a mass of 0.5 kg is revolved in a horizontal plane, tied to a 1.5 m long cord. While…

Q: 8. o The space probe Deep Space 1 was launched on October 24, 1998. Its mass was 474 kg. The goal of…

A: Given: The mass of the space probe is 474 kg. The thrust force of the space probe is 56 mN. The…

Q: Q3. A 70-kg man is standing on the end of a 250-kg log that is floating in the water. Both the and…

A:

Q: 1. A 10-kg roc and a 20-kg rock are thrown upward with the same initial velocity and experience no…

A:

Q: Suppose a 1.25-kg ball is thrown against a wall at a speed of 15 m/s. After it hits the wall, the…

A: Write the given values with the suitable variables. m=1.25 kgu=15 m/sv=-7.5 m/st=0.000100 s Here, m,…

Q: You and your friend Peter are putting new shingles on a roof pitched at 24°. You're sitting on the…

A: The parallel force exerted on the roof is, F=mgsinθ=29.8sin24°=7.97 N The frictional force is,…

Q: You are part of a search-and-rescue mission that has been called out to look for a lost explorer.…

A: Using equation of motion in vertical direction,  H = (1/2) (g)t2 200 = (9.8/2) t2  t = 6.39 seconds…

Q: NASA's Saturn V rockets that launched astronauts to the moon were powered by the strongest rocket…

A: Thrust = T = 6.77×106 N Fuel burning rate is m˙=2.63×103 kg/s˙

Q: 1. A bicycle and a rider together have a mass of 90kg. If the bicycle moves at 6.0 m/s, how much…

A: Given Mass m = 90 kg  Initial velocity u = 6 m/s  Final velocity v = 0  Time taken t = 5 sec

Q: DOES AN OJECT AT REST HAVE MOMENTUM? WHY OR WHY NOT? * efe WHAT ASSUMPTIONS WILL YOU MAKE REGARDING…

A: What is implied by a negative value of acceleration

Q: A rifle bullet with a mass of 10 g and moving with the speed of 300 m/s strikes and embeds itself in…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: