A 70 kg skater, at rest on frictionless ice, tosses a 8.0 kg snowball with velocity by ú = 53.0i + 14.0j m/s, where the r- and y- axes are in the horizontal plane.

Q: A baseball of mass m1 = 0.46 kg is thrown at another ball hanging from the ceiling by a length of…

A: m1 = 0.46 kg m2 = 0.76 kg L = 1.75 m v1 = 3.5 m/s (in +x direction) v1f = 0 m/s v2 = 0 m/s

Q: The superheroine Xanaxa, who has a mass of 63.5 kg, is pursuing the 74.3 kg archvillain Lexlax. She…

A: Mass of the super heroine m=63.5 kg When she dives off from the building the change in height is…

Q: A small block of mass m 1 = 0.500 kg is released from rest atthe top of a curved wedge of mass m 2…

A: Given:Mass of block m1 = 0.5 kgMass of the wedge m2= 3 kgVelocity of the mass m1 after it leaves the…

Q: 31. ssm Batman (mass = 91 kg) jumps straight down from a bridge into a boat (mass = 510 kg) in which…

A: It is given that,

Q: 15) A mass of 4.0 kg, initially at rest on a horizontal frictionless surface, is struck by an object…

A:

Q: A 75-kg fisherman in a 125-kg boat throws a package of mass m = 15 kg horizontally toward the right…

A: Apply conservation of momentum to boat fisherman-package system,

Q: A cube of M 3.00 kg slides down a frictionless incline, and elastically strikes another cube m =1.30…

A: Speed of mass M at the bottom of the incline Kf+Uf=Ki+Ui12mu12+0=0+mghu1=2gh=29.8 m/s235.0 cm10-2 m1…

Q: Block 1, with mass m1 and speed 5.2 m/s, slides along an x axis on a frictionless floor and then…

A: a)The expression from conservation of momentum,

Q: Three skydivers are plummeting earthward. They are initially holding onto each other, but then push…

A: Since initially, the skydivers plummet earthward, that is, the motion is vertically downward, their…

Q: A baseball (m = 152 g) approaches a bat horizontally at a speed of 43.6 m/s (97.6 mi/h) and is hit…

A:

Q: baseball (m = 149 g) approaches a bat horizontally at a speed of 40.3 m/s (90 mi/h) and is hit…

A: Given data: mass of the ball m = 0.149 kg initial speed u = 40.3 m /s    Final speed v = -50.0  m/s…

Q: Emma and Katie are racing along in their new wagon. Upon reaching the bottom of the hill traveling…

A: Given Katie speed at the bottom of the hill = u = 13.2 m/s Distance between Katie and her teddy bear…

Q: A 48.9 g bullet strikes and becomes embedded in a 1.52 kg block of wood placed on a horizontal…

A: Let speed of block after bullet embedded is v Now, by work energy theorem Kf - Ki = Wf  0 -…

Q: An open train car, with a mass of 2190 kg, coasts along a horizontal track at the speed 2.17 m/s.…

A: Let us calculate the car speed v, as shown below:

Q: To get off a frozen, frictionless lake, a 65.0-kg person takes off a 0.150-kg shoe and throws it…

A:

Q: B SSM Batman (mass = 91 kg) jumps straight down from a bridge into a boat (mass = 510 kg) in which…

A:

Q: Ball A (ma = 1.200 kg) strikes ball B (mg = 1.200 kg) which is initially hanging from an extensible…

A:

Q: Two blocks (m1 and m2) are each released from rest at a height of h = 3.83 m on a frictionless track…

A: Masses m1 and m2 are 2.5kg and 4.25kg Released from h= 3.83 m

Q: 56. mmh A baseball (m = 149 g) approaches a bat horizontally at a speed of 40.2 m/s (90 mi/h) and is…

A: Given:- mass of baseball=149g speed of baseball-40.2m/s time=1.10ms

Q: A 0.145-kg baseball is dropped from rest. If the magnitude of thebaseball’s momentum is 1.55 kg #…

A:

Q: two blocks (m1 and m2) are each released from rest at a height of h = 3.98 m on a frictionless track…

A:

Q: In the figure, block 1 of mass m1 slides from rest along a frictionless ramp from height h = 6.00 m…

A:

Q: 107.5-kg rugby player is initially running at 8.5 m/s in the positive direction, but collides…

A:

Q: A 70 kg skater, at rest on frictionless ice, tosses a 8.0 kg snowball with velocity by 53.0i + 14.0j…

A: Momentum is given by  Momentum = mass x velocity

Q: A two-stage rocket moves in space at a constant velocity of + 4310 m/s. The two stages are then…

A:

Q: A 70-kg fisherman in a 120-kg boat throws a package of mass m = 15 kg horizontally toward the right…

A:

Q: A 2 kg block is moving at v = 3 m/s along a frictionless table and collides with a second 2 kg block…

A:

Q: A 3.00-g bullet is fired horizontally into a 10.0-kg block of wood suspended by a rope from the…

A: Given that:Mass of bullet, m=3.00 gMass of block, M=10.0 kg=10000 gHeight of the system after…

Q: A 0.507-kg ball, initially moving with a speed of 3.49 m/s, bounces off a wall and then moves with a…

A: Initial speed of ball, Vo= 3.49 m/s Final speed of ball, V = half of Vo Time of contact of ball with…

Q: Ball A (ma = 0.800 kg) strikes ball B (mg = 0.800 kg) which is initially hanging from an…

A: Mass of  ma =0.8kg Mass of mb = 0.8kg Velocity of A vA1= 1.5m/s Collision is perfectly elastic

Q: "A railroad car, of mass 200 kg, rolls with negligible friction on a horizontal track with a speed…

A:

Q: A skater of mass 72.5 kg initially moves in a straight line at a speed of 4.80 m/s. The skater…

A:

Q: A 0.19kg baseball is pitched at 42m/s is struck by the bat with an average force of 700 N, which…

A: Consider a ball of mass m is moving toward the left side with the speed v1 is struck by the bat with…

Q: A hockey player with a mass of M = 72 kg, standing on ice, pushes a plate with a mass of m = 0.5 kg…

A: Given information Mass of the hockey player M=72 kg. Mass of the plate m=0.5 kg. Velocity of the…

Q: A 105-kg rugby player is initially running at 7.5 m/s in the positive direction, but collides…

A:

Q: At the center of a 50 m -diameter circular ice rink, a 75 kg skater traveling north at 2.5 m/s…

A:

Q: A baseball of mass m1 = 0.31 kg is thrown at another ball hanging from the ceiling by a length of…

A:

Q: Two blocks with mg =2 kg and mg = 4 kg are moving with vR = 2.5 m/s and vg = 3 m/s in positive z and…

A: Given : mR = 2 kg mB = 4 kg vR = 2.5 m/s vB = 3 m/s

Q: A boy cruising across a smooth, level sidewalk is approaching a pipe guard-rail. It seems like a…

A:

Q: 0.2 kg are located on a horizontal frictionless path, which has a lower and a higher part with…

A:

Q: In assembling a train from several railroad cars, two of the cars, with masses 2.0 x 10^4 kg and 4.0…

A:

Q: Block 1, with mass m1 and speed 3.8 m/s, slides along an x axis on a frictionless floor and then…

A: The masses are m1 and 0.34m1 The initial speed of m1 is u1=3.8 m/s The initial speed of m2 is u2=0…

Q: A wood block of mass mw = 200 g is projected from the ground at a speed vo= 35 m/s and at an angle…

A: Given: The mass of wooden block mw = 200 g. Projectile speed of wooden block vo = 35 m/s. Angle of…

Q: Block 1, with mass m1 and speed 4.0 m/s, slides along an x axis on a frictionless floor and then…

A:

Q: A baseball (m = 148 g) approaches a bat horizontally at a speed of 40.7 m/s (91.1 mi/h) and is hit…

A: The impulse is average force that the bar exerts on the ball and change in time to contact.

Q: An open train car, with a mass of 2050 kg, coasts along a horizontal track at the speed 2.792.79…

A: If the net external forces acting on the system add up to zero, then the linear momentum of system…