Using the principle of conservation of linear momentum, explain why the follow statement is false: “A rocket cannot move under its own power in outer space, because there is no air for its exhaust gasses to push against.

Q: if a tennis racket strikes a ball(m=60g; v=65m/s) for a period of 7.25 x 10^-2s, what force does the…

A:

Q: Which statement(s) is/are true about elastic collisions? Select all that apply. total momentum of…

A: An elastic collision is between two bodies in which the total kinetic energy of the two bodies…

Q: Is it correct to say that, if no net impulse is exerted on a system, then no change in the momentum…

A: Write the expression for the impulse,

Q: The largest animal ever to have lived on Earth is the blue whale. Consider a blue whale with a mass…

A: Speed V = 24 km/h = (24×5/18)m/s  = 6.67 m/s Momentum = MV  = (1.46 x 10^5)×(6.67m/s)  = 9.73×10^5…

Q: Until his seventies, Henri LaMothe excited audiences by belly-flopping from a height of 12 m into 30…

A:

Q: Starting from a standstill, Abi (mass = 55.00

A: Weight = mass* g    weight = 55*10 = 550 N

Q: A 200-lb block is sliding along a horizontal plane at 4 ft/s when a force P is applied on it as…

A: Given: m=200 lb=90.72 kgvo=4ft/s=1.22 m/sP(t)=200t lb=889.6t Nt=2 sec

Q: What exhaust speed is required to accelerate a rocket in deep space from 800 m/s to 1000 m/s in 5.0…

A:

Q: Two piloted satellites approach one another at a relative speed of 0.250 m/s, intending to dock. The…

A: Given that - Two piloted satellites approach one another at a relative speed of 0.250m/sec. To Find…

Q: Activity 2. A 400N body starts up a 30° incline (µ = 0.2) with a velocity of 3m/s. How long must a…

A: Consider the free-body diagram is shown below, Equating forces along with Newton's law of motion,…

Q: Two manned satellites approach one another at a relative speed of 0.250 m/s, intending to dock. The…

A: For an elastic collision, the momentum will be conserved. This can be written as:…

Q: What is the impulse required to fully stop a 100 gram egg flying at 1 m/ s? HINT: Watch the units.…

A:

Q: It is possible for two objects to have different masses but the same momentum.

A: Given data:  Two objects The masses of the objects are different momentum is same Required: True or…

Q: Using the principle of conversation of linear momentum, explain why the follow statement is false? A…

A:

Q: Buring World War 2, a military parachutist fell 0.37km from an airplane without being able to open…

A:

Q: Two manned satellites approach one another at a relative speed of 0.100 m/s, intending to dock. The…

A: Mass of the satellites,

Q: what would be the momentum (magnitude and direction) of the locomotive car system immediately before…

A:

Q: . A 50-kg model rocket lifts off by expelling fuel downward at a rateof k = 4.75 kg/s for 10 s. The…

A: (a)The rocket is expelling fuel downward at a rate of k = 4.75 kg/s…

Q: In which situations the momentum of the system is conserved *

A: Momentum

Q: Water falls without splashing at a rate of 0.220 L/s from a height of 3.40 m into a 0.590-kg bucket…

A: The total weight that the scale will measure will be equal to the sum of the weight of the bucket,…

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

A:

Q: What is the impulse required to fully stop a 100 gram egg flying at 1 m/ s? HINT: Watch the units.…

A: Given : Mass, m = 100g Speed , v = 1m/s

Q: Vis Consider the collision of a moving puck with a second, initially stationary puck, as shown in…

A: Given : m1 = 0.50 kg; m2 = 0.60 kg;             v1 = 1.5 m/s; v1f = 0.5 m/s and θ1 = 50°

Q: Starting from rest, a 57.0 kg woman jumps down to the floor from a height of o.670 m, and…

A: mass= 57 Kg height= 0.67 m 0<t<0.8 s F=9200t-11500t2

Q: In terms of impulse and momentum, why are nylon ropes, which stretch considerably under…

A: By stretching itself during the fall the nylon ropes increases the time of impact which reduces the…

Q: Two particles of masses m and 2m move along the x axis with equal by magnitude but oppositely…

A: -mv

Q: An 0.8kg ball, initially at rest, is launched from a kicker's foot 30° above the horizontal with a…

A:

Q: Find the magnitude of an impulse produced by a 300 g mass rubber ball, striking a wall horizontally…

A: Given  Mass of the rubber ball M=300g M=0.3kg Initial velocity is vi=40m/s Final velocity is…

Q: Which magnitude impulse will give a 2.0 kg object a momentum change of magnitude 50 kg-m/s (in N.s)?…

A:

Q: Professional Application - Two piloted satellites approach one another at a relative speed of 0.250…

A: Using conservation of energy…

Q: An object is tracked by a radar station and determined to have a position vector given by = (3500 -…

A: Linear momentum is defined as product of mass and velocity of an object. where, v=velocity of  an…

Q: A model rocket is constructed with a motor that can provide a total impulse of 26.0 N-s. The mass of…

A: Let m, I, v1, and v2 denote the mass of the rocket, impulse provided by the motor, the launching…

Q: jumping off the roof of a garage and landing on the ground, you eventually come to a stop. Which…

A: Impulse = F × dt

Q: A 3-kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vertical wall. The…

A:

Q: Why is energy conserved in an elastic collision but not in an inelastic collision?

A: Elastic collision is defined as the one in which there is no loss of kinetic energy in the…

Q: is it correct to say that the impulse of the object is equal to its momentum? why?

A: No, it's totally wrong. Because the impulse is changed in a momentum, Impulse is defined when a…

Q: In utter despair during this test, you kick the wall with force of 1250 N. Before rebounding, your…

A: Write the relation for the impulse. J=∫t0t1Fdt=∫05.95×10-3 s1250 Ndt Integrate the above expression;…

Q: A model rocket is constructed with a motor that can provide a total impulse of 39.0 N-s. The mass of…

A: Given data The magnitude of the total impulse applied to the rocket is I = 39 N.s The mass of the…

Q: Can you produce a net impulse on an automobile by sitting inside and pushing on the dashboard? Can…

A: Impulse can be defined as the product of force acting on the body to the time interval for which…

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

A: Given: Mass of marble m= 0.0235 g Mass of pendulum M=0.250 kg Initial velocity of marble before…

Q: Does the Impulse cause a change in momentum? Explain how?

A: If a force F is acting on an object for a time t, then their product gives impulse .