A rocket has the following characteristics: Initial mass = 250 kg Mass after rocket operation =135 kg Mass of payload and structure =115 kg Specific impulse =290 s Rocket operation =3.6 s   Determine: Mass ratio                                                                                                   Propellant mass flow rate                                                                         Thrust                                                                                                     Exit velocity.                                                                                                                                                                                                  Total impulse

Q: Two particles are seen to collide and move jointly together after the collision. During such a…

A: Option d

Q: What impulse is needed to stop a 1000 kg car traveling at 24 m/s? N.s

A: Given, mass of the car is, m = 1000kg the initial velocity of the car is, u=24m/s   Now from the…

Q: A toy bus and a toy car collide head-on. The masses are mb = 0.45 kg and mc = 0.15 kg. Immediately…

A:

Q: p = mv J = Ft Ft = m Av What impulse is needed to stop a 1700 kg car in 15 seconds if it was…

A: Given  Mass (m) = 1700 kg   velocity (vi) = 25 m/s   Time (∆t)= 15 s   When car stops  vf = 0…

Q: A 1700 kg car travels at 20 m/s WEST and collides with a 2000 kg car traveling EAST. The collision…

A:

Q: After successfully clearing the bar during the pole vault, the vaulter falls to the landing cushion…

A: Given : The linear(initial) momentum of the vaulter just prior to impact= Pi= -980kg.m/s Velocity…

Q: A 6.75-kg bowling ball moving at 9.1 m/s collides with a 0.825-kg bowling pin, which is scattered at…

A: Collisions conserve momentum. Apply principle of conservation of momentum along x and yaxis. Along x…

Q: A 1.2 kg ball is falling in the -y direction at a speed of 25 m/s. The ball strikes the floor and…

A: The expression for find impulse acts on the ball is J=mvf-vi

Q: 3) A 0.1 kg baseball is thrown with a velocity of 35 m/s. The batter hits it straight back with a…

A:

Q: A force acts on a 2.4 kg object with the magnitude shown in Figure 3 as a function of time. F (N)…

A:

Q: Two balls collide head-on. The initial velocity of ball 1 is 0.95 m / s in an easterly direction.…

A: Ghff

Q: A 300 g ball moving to the right at 5.0 m/s collides head-on with a 300 g ball that is moving to the…

A:

Q: Two balls approach each other with equal speeds of 25 m/s. One ball has a mass of 7.0-kg and the…

A: Given Information: m1=14kg m2=7kg u1=25m/s u2=-25m/s To find: Final velocity of balls

Q: A ball is moving at a constant velocity of 5.0 m/s. After some time, it collides with a wall and…

A: The total momentum of the ball before collision is equal to the momentum after collision. Although…

Q: Taking the density of air to be 1.29 kg/m^3, what is the magnitude of the linear momentum of a cubic…

A:

Q: Find the center of mass of three particles from the table below: Particle mass (kg) x (cm) 1.2 0 2.5…

A:

Q: 1.To make a bounce pass, a player throws a 0.60-kg basketball toward the floor. The ball hits the…

A: The mass of the basketball: The initial speed of the basketball: The final speed of the basketball:…

Q: A 2670 kg truck jumps the median and clobbers a 630 kg station Wagon in a head on collision. You are…

A: Given that:- Mass of truck=2670 kg  Mass of station wagon=630 kg

Q: A volleyball is spiked so that its incoming velocity of +2.66 m/s is changed to an outgoing velocity…

A:

Q: 3. A golf ball of mass 0.052kg is hit off the tee at a speed of 40 m/s. The golf club was in contact…

A:

Q: A 2.4-kg ball falling vertically hits the floor with a speed of 2.5 m/s and rebounds with a speed of…

A: Given: Mass of the ball m = 2.4 kgTaking upward direction positive, initial velocity vi = - 2.5…

Q: 4) You drop a golf ball from a height of 1 m above the ground. It hits the ground and returns to a…

A:

Q: A 1000 kg car moving at 30 m/s due North collides completely elastically with a 1250 truck heading…

A: Given data:Mass of car, m = 1000 kg Initially velocity of car, u1 = 30 m/s (due north)Mass of truck,…

Q: 3) A 0.1 kg baseball is thrown with a velocity of 35 m/s. The batter hits it straight back with a…

A: Given data:  Mass (m) = 0.1 kg Initial velocity (u) = +35 m/s Final velocity (v) = -60 m/s Required:…

Q: A baseball pitcher throws a ball at 45 m/s, and the ball is hit by a batter.  The ball leaves the…

A:

Q: Two objects collide . The first object, m 1 =3.7kg , is traveling at 4 m/s and strikes a second…

A: Given data: The mass of first object is m1=3.7 kg. The velocity of first object is v1=4 m/s. The…

Q: You are lawn bowling and bowl a 540 g ball with a speed of 6.15 m/s. Unfortunately, your ball hits a…

A:

Q: 3) A 0.1 kg baseball is thrown with a velocity of 35 m/s. The batter hits it straight back with a…

A: Data provided:  Mass (m) = 0.1 kg Initial velocity (u) = +35 m/s Final velocity (v) = -60 m/s…

Q: Assuming the balls have êqual mass, what are the final velocities of the two balls? Assume: VoA = 10…

A: Proceeding by elastic collision process in the following way

Q: Calculate the original momentum of the fullback. Calculate the impulse exerted on the fullback.…

A:

Q: A volleyball is spiked so that its incoming velocity of +2.73 m/s is changed to an outgoing velocity…

A: Given data:  Initial velocity (u) = +2.73 m/s Final velocity (v) = -18.6 m/s Mass (m) = 0.350 kg…

Q: 0.144 kg baseball crashing through the pane of a second-floor window in a nearby building. The ball…

A:

Q: In a rocket test facility, aerospace engineers are testing a rocket’s propulsion ability during a…

A:

Q: In a one dimensional collision, a 4 Kg object and 6 Kg object have initial velocities 8 m/s and 2…

A: Given data:  Two objects collide and stick together m1 = 4 kg m2 = 6 kg V1 = +8 m/s V2 = -2 m/s…

Q: You drop a 15-g ball from a height of 1.5 m and it only bounces back to a height of 0.85 m. What…

A: We have given that a 15-g ball drop from a height of 1.5 m and it only bounces back to a height of…