A large rocket has a mass of 2.00×106kg at takeoff, and its engines produce a thrust of 3.50×107 N . (a) Find its initial acceleration if it takes offvertically. (b) How long does it take to reach a velocity of 120km/h straight up, assuming constant mass and thrust? (c) Inreality, the mass of a rocket decreases significantly as its fuelis consumed. Describe qualitatively how this affects theacceleration and time for this motion

Q: Dancers experience large forces associatedwith the jumps they make. For example, when a dancer…

A: The acceleration (deceleration) is a=v-uta=0 m/s--4.0 m/s0.20 sa=20 m/s2   the net force is,…

Q: Find an equation for the force a rocket's engine must exert to accelerate a payload with mass M that…

A:

Q: A large rocket has a mass of 2.00 x 106 kgat takeoff, and its engines produce a thrust of 3.50 x 107…

A: We are aware that a rocket weighs 2.0×106 kg at launch and generates 3.50×107 N of thrust. We have…

Q: A block of mass m=7 kg on a rough plane is attached by a cord passes over a smooth pulley to m=5 kg.…

A:

Q: moving the box, and have been moving it at 0.73 m/s. You back away, removing your applied force, and…

A: Given problem is based on the theory of friction. When two bodies slip over each other the force of…

Q: Find the mass of the ball of radius 3 centered at the origin with a density f(p,q,0) = 4e¯p³ The…

A:

Q: A 7.5 kg mass is attached to a compressed spring and the spring is released. If the mass initially…

A:

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: A 29 750 kg airplane travelling at 305 m/s. (b) If it suddenly noses vertically upward at this…

A:

Q: The human head can be considered as a3.3-kg cranium protecting a 1.5-kg brain, with a small amount…

A: Given: Weight of the human head = 3.3 Kg Weight of the brain = 1.5 Kg Force applied = 2800 N

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) What is the initial acceleration of a rocket that has a mass of 1.50×106kg at takeoff, the…

A: mass, m = 1.50×106 kg Force, F = 2×106 N

Q: A SpaceX rocket with an initial mass of m0 uses its engines to hover, stationary, just above the…

A:

Q: Suppose the mass of a rocket just as it runs out of fuel is 75400-kg, and its exhaust speed is 2.25…

A:

Q: Find the mass of the ball of radius 2 centered at the origin with a density f(p,p,0) = 5e¯p³ The…

A:

Q: Neglecting air resistance, the escape speed from a certain planet for an empty space vehicle is…

A: Escape velocity for empty vehicle = 1.12E4 m/s Formula for escape velocity for any planet Ve = √ GM…

Q: Consider a system of N particles that interact via an attractive gravi- tational force that is…

A: To determine the trajectories of the particles in the given system, we can use Newton's second law…

Q: A body of mass 9 kg moves along the x-axis under the action of a force given by: F= (-3x) N Find (a)…

A:

Q: A force F = (24t, 16 − 8t) (in newtons) acts on a 4-kg mass. Findthe position of the mass at t = 3 s…

A: Vector quantities are those which have both magnitude and direction. Velocity is defined as the rate…

Q: A 65 kg high jumper leaves the ground with a vertical velocity of 10 m/s. How high can he jump? The…

A:

Q: A hammer of mass m = 0.465 kg is moving horizontally at a velocity of v = 3.5 m/s when it strikes a…

A:

Q: The masses m1and m2shown in the figure are tied to eachother by a rope over a frictionless pulley.…

A:

Q: The positon vector r of a particle of mass 2 kg at time / seconds is given by r= [(2 sin 2t) i + (1…

A: Given: Mass, m = 2 kg Position vector, r = [(2 sin 2t)i + (1-cos 2t)j ] m (a)    velocity is the…

Q: 1) A 100 kg parachutist jumps from a plane at 4000 meters [initial velocity3D0]. During free fall,…

A:

Q: With the use of a free body diagram or otherwise, calculate the initial acceleration of a rocket…

A:

Q: A meteorite weighing 1000 lb is buried 60 ft in the earth. Assuming a striking velocity of 1000…

A:

Q: A rocket has an empty weight of 500 lb and carries 300 lb of fuel. If the fuel is burned at the rate…

A:

Q: If a 2.0 kg weight falls 4.0 meters vertically downward from rest, how fast will it be going just…

A: Given data:   A weight falls vertically downward  Mass (m) = 2.0 kg Height (h) = 4.0 m Initial…

Q: What is the initial accelerationof a rocket that has a mass of 1.50×106 kg at takeoff, theengines of…

A: (a) From Newton’s second law of motion, the expression for the net force is:

Q: A bird and an insect fly directly towards each other on a horizontal trajec- tory. The mass of the…

A:

Q: Q6. A rocket of mass m is projected vertically upwards with an initial velocity u from the ground.…

A: Given a rocket of mass m is projected vertically upwards with an initial velocity 'u' from the…

Q: particle of mass 3 kg moving in a straight line decelerates uniformly from a speed of 40 m/s to 20…

A:

Q: The front 1.20 m of a L00-g car is designed asa "onumple zone that colapnes to absorb e shock ofa…

A: (a) The relation between displacement, average velocity and time is, Here, represents final…

Q: While skydiving, a brilliant young physics student known affectionately as “Crazy Kaitlin” launches…

A:

Q: An object of mass 10 kg is reloased trom rest 4000 m above the ground and alowed to fall undor the…

A: Given Object mass (m)                       = 10 kg Released from x (t)                   = 4000 m…

Q: ks) (a) Calculate the net acceleration of a space shuttle and rockets at the time of liftoff. (b)…

A: Given   force produced during the lift of on shuttle and rocket F = 1.7 × 107 N Mass of shuttle and…

Q: constant horizontal force of 36 N pushes a 10 kg-mass through a medium that resists its motion with…

A:

Q: The motion of the mass as shown for 0 <t< 2.1 seconds is defined by s = 10sin[cos (2t)lj + 15…

A:

Q: A meteorite weighing 1000 lb is buried 60 ft in the earth. Assuming a striking velocity of 1000…

A:

Q: A constant retarding force of 50 N is applied to a body of mass 20 kg moving initially with a speed…

A:

Q: Suppose the mass of a fully loaded module in which astronauts take off from the Moon is 11,700 kg.…

A: Given: m=11700kg, F=29000N, g=1.67m/s2 (a) The acceleration of the module in upward direction is :…

Q: Show that the acceleration of any object down an incline where friction behaves simply (that is,…

A:

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.