M= 80kg M3D VE10 m/s .A m=4kg' V.D0 45

Q: I need to  toss an object of mass 5.2 up onto a shelf 6.61 meters above where my hands can reach.…

A:

Q: If a 2.4 kg object is initially at rest on a frictionless, horizontal surface and subjected to a…

A: The equation of motion we use to solve this is v2-u2 = 2as, where v = the final velocity u = the…

Q: A 0.55-kg croquet ball is initially at rest on the grass. When the ball is struck by a mallet, the…

A: Given:Mass of the ball, m = 0.55 kgAverage Force on the ball, F = 270 NInitial velocity of the ball,…

Q: If a Saturn V rocket with an Apollo spacecraft attached had a combined mass of 2.9 × 105 kg and…

A:

Q: A bolt gun contains a spring of spring constant k = 11 N/m which is used to shoot a bolt of mass m.…

A:

Q: Two astronauts who happen to be married to one another are working outside the international space…

A: Let the wrench moves initially in positive x- direction. The equation for the conservation of…

Q: Suppose a 10.0g bullet is fired at speed 120m/s and embeds into a 1530g block of wood that is at the…

A: Given:          Mass of the bullet m =10 g = 0.01 kg         Mass of the wooden block M = 1530 g…

Q: Calculate the final speed (in m/s) of a 103 kg rugby player who is initially running at 8.50 m/s but…

A: solution as

Q: An object with mass m1 = 1kg moving to the right at a speed of 4m / s collides with a spring…

A: m1 = 1 kg ,m2 = 2 kg , v1 = 4 m/s , v2 = - 2 m/s , v1f = 3 m/s Force constant , k = 105 N /m To find…

Q: A 5.0 N horizontal force is applied to a 2.5 kg cart for 3.8 m (starting with a speed of 0 m/s).…

A: given; horizontal force=5 N Mass = 2.5 kg initial speed is =0 m/s distance =3.8 m final velocity v

Q: Calculate the final speed (in m/s) of a 111 kg rugby player who is initially running at 7.75 m/s but…

A: Given: mass of the player m = 111kg                       initial speed u = 7.75m/s…

Q: A volleyball weighing 0.38 kg approaches Zina with a velocity of 3.8 m / s. Zina hits it and gives…

A: Recall Favg=∆P/∆t

Q: In a dramatic rescue mission, Dr. Porter was up on a 15-meter-high cliffside where she saw a box of…

A:

Q: A body is falling freely under the action of gravity alone in vacuum. Which of the following…

A: As the body freely falling from a particular height, the height of the body decreases. So, the…

Q: Calculate the final speed (in m/s) of a 100 kg rugby player who is initially running at 7.75 m/s but…

A:

Q: You cut the tennis ball off of the cord, and you then replace the tennis ball with a 400 gram mass.…

A:

Q: If a 1.6 kg object is initially at rest on a frictionless, horizontal surface and subjected to a…

A: Given data:  Mass (m) = 1.6 kg Initial velocity = 0 m/s Force (F) = 12.2 N Distance (d) = 3.99 m…

Q: During the pitching motion, a baseball pitcher exerted an average horizontal force of 60 N against…

A:

Q: A spring with spring constant k = 3.75 N/cm is compressed 7.00 cm. A 1.50 kg mass is placed next to…

A: k = 3.75 N/cm  = 375 N/m compression = 7 cm  = 0.07 m m = 1.5 kg M = 2 kgInitial energy =…

Q: A 30 gram bullet moving horizontally with a velocity of 450 m/s gets imbedded in a 10 kg block…

A: Given data:  Mass of bullet (m) = 30 g = 0.030 kg Velocity of bullet (v) = 450 m/s Mass of block…

Q: Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the…

A: Apply newton’s second law of motion along the motion of the lift, and substitute 95kg, for m,…

Q: a 1.5 kg object is initially at rest on a frictionless, horizontal surface and subjected to a  14.9…

A:

Q: In the potential energy experiment. If the kinetic energy of the system composed of masses m, and m2…

A: K=Kinetic energy of system=0.818 Jm1=Mass of cartm2=Mass of block=110 gv=Velocity of system=1.56 m/s

Q: A stationary but movable 400 kg cannon is fired, and the 10 kg cannonball moves off to the right…

A: Given: mass of the cannon, M=400 kg mass of cannon ball, m=10 kg velocity of the ball, v=20 m/s

Q: A block of mass m = 2 kg slides on a horizontal rough surface head on into a spring of spring…

A: The conservation of energy,…

Q: A golf ball of mass 0.058 kg is hit off the tee at a speed of 25 m/s. The golf club was in contact…

A:

Q: Joyce was practicing a shot but she decided to try to throw the ball that has a mass of 5kg with an…

A: Write the given values with the suitable variables. m=5 kgu=12 m/sθ=40° Here, m is the mass, u is…

Q: Consider the four possible paths of a body moving through gravity as diagrammed below. Which of the…

A:

Q: Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an…

A:

Q: A train with mass of 2000 kg coasts on a frictionless track with a speed of 50 m/ s . How large a…

A: Mass of train: m = 2000 kg Initial speed of train: u = 50 m/s Final speed of train: v = 0 m/s…

Q: An office worker smacks a table, bringing his hand to rest in 0.0025 seconds from an initial speed…

A: Given data: Time (t) = 0.0025 s Initial velocity (v0) = 4.00 m/s Final velocity (v) = 0 m/s Mass (m)…

Q: A 50.0-kg person jumps onto the floor from a height of 2.7 m. If he lands stiffly with his knee…

A:

Q: A team of astronauts is on a mission to land on and explore a large asteroid. In addition to…

A: We know, that the body (mass) must have kinetic energy to overcome gravitational Potential energy.…

Q: A baseball player exerts a force of 80N on a ball for a distance of 0.7m as he throws it. If the…

A:

Q: A 6.0 ✕ 104 kg space probe is traveling at a speed of 12000 m/s through deep space. Retrorockets are…

A: Given a 6.0✕104 kg space probe is traveling at a speed of 12000 m/s through deep space. Retrorockets…

Q: In a railroad yard a 35,000 kg boxcar moving at 7.5 m/s is stopped by a spring-loaded bumper mounted…

A:

Q: In an old-fashioned television, a beam of electrons is accelerated to a speed of 2.3 × 106 m /s and…

A: Given data: v=2.3×106 m/sd=0.05 mme=9.1×10-31 kgB=1.5×10-4 T

Q: A 1.0 kg object has a velocity of 5.0f m/s at t = 0. A constant resultant force of (3.0î + 4.0j ) N…

A: Ux(x-component of initial velocity) = 5 m/s   (a)x(x-component of initial acceleration) = Fx/m = 3/1…

Q: Calculate the final speed (in m/s) of a 100 kg rugby player who is initially running at 7.50 m/s but…

A:

Q: A 55 kg astronaut who weighs 200 N on a distant planet is pondering whether she can leap over a…

A: Consider an astronaut having mass m and weighs W at some distant planet. Write the formula for the…

Q: A baseball has a mass of 0.140 kg, and it is pitched towards home plate at a speed of 48.0 m/s.…

A: The mass of the baseball, m = 0.14 kg Initial velocity of the baseball, u = 48 m/s Force exerted, F…

Q: If the 0.15 kg apple in Q3 falls, and all its gravitational potential energy is converted into…

A:

Q: A 1857 kg car is moving at 35 ?. The driver then accelerates at 3.5 ? for 18.3s. How fast is the car…

A: Given,  Mass of car m = 1857 kg Velocity v = 35 m/s Accleration a = 3.5 m/s2 Time t = 18.3 s

Q: A block of mass m= 8.2 kg slides on a rough surface and moves toward a spring with a spring constant…

A:

Q: Suppose I need to  toss an object of mass 5.2 up onto a shelf 5.94 meters above where my hands can…

A: The third equation of motion is  v2 = u2 + 2 a s  where, u is the initial speed, v is the final…

Q: If a Saturn V rocket with an Apollo spacecraft attached had a combined mass of 2.9 × 105 kg and…

A: Given value---  mass m = 2.9 × 105 kg. speed = 12 km/s. We have to find --- kinetic energy?

Q: A 0.07 kg hockey puck slides across an icy surface and experiences a small friction force of 0.08 N…

A:

Q: You are standing on top of the Empire State Building (height 330 m) when Superman flies past. He is…

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Q: An office worker smacks a table, bringing his hand to rest in 0.0025 seconds from an initial speed…

A:

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.