A stone is dropped from a height of 45 m. Approximately how long does it take to hit the ground? A. 40 s B. need to know the mass of the stone C. 25 s D. 3 s E. 400 s

Q: An astronaut is weighed before he sets of to the moon. He has a mass of 80 kg. a. What will his…

A: Given: Mass of an astronaut, M = 80 kg

Q: 1. A hockey puck slides along the ice when it collides with a filled water bottle which was sitting…

A: Hockey puck (m)= 0.2kg  u1= 5i - 6j m/s  u2= -5cos36.87° i - 5 sin 36.87° j      = -4i -3j m/s  M=…

Q: Carbon Рaper Ay Ax A student collects the following data for a ball that rolls off a ramp on a…

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Q: 1. A 13.0 g acorn falls from Fest fr a 135 g bird gliding horizontally at 80.0 cm/s scoops it up…

A: According to conservation of momentum Momentum before collision = momentum after collision

Q: 3. A 200.0 g model rocket is observed to rise 100.0 m above the ground after launch. What must have…

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Q: 1. A 400-lb object is released from rest 500 ft above the ground and allowed to fall under the…

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Q: 1. A 13.0 g acorn falls from rest from the top of a 32.0-m-high oak tree. When it is halfway to the…

A: Given: The mass of acorn is 13 g. The mass of the bird is 135 g. The initial speed of the acorn is 0…

Q: 3. Two rocks of masses 5kg and 10kg are dropped off a cliff at the same time. (a) Which rock will…

A: (given) Two rocks of masses are m1=5kgm2=10 kg (a) Two rocks both meet the ground at the same time.…

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Q: A) Calculate the mass (in slugs) of a 100 pound rock on the Earth. B) What is the mass of the same…

A: The mass of the rock on the Earth in pounds,

Q: Problem 5. Binary star systems: Center of mass. (Palen, et. al. Chp. 10 1* Ed. Problem 65) dz m, =…

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Q: A 60.0-kg astronaut is in space, far from any objects that would exert a significant gravitational…

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Q: A 54.0-kg astronaut is in space, far from any objects that would exert a significant gravitational…

A: According to our policy, we are answering only 1st question. Please repost the other questions…

Q: 3. Three people of roughly equal masses on a lightweight banana boat sit along the x axis at…

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Q: 3.) The two masses below are initially moving, collide, and stick together. M1= 30kg and V1i = 15…

A: Given data:  Mass (m1) = 30 kg and v1i = 15 m/s Mass (m2) = 5 kg and v2i = 10 m/s Required: Combined…

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A: . The resultant force applied is equal to the rate of change of momentum and it is given by the…

Q: k = N/m A player stands on the scale, and it depresses by 0.49 cm. What is the mass m of the player?…

A: Given Data: The mass of a maximum load is given as, m=123 kg The depression in the scale is given…

Q: You are standing on a sheet of ice that covers the football stadium parking lot in Buffalo; there is…

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Q: A spacecraft was following a rocket to the Moon. 4 minutes after the rocket impacted the Moon, the…

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A: The x-component of the velocity of the ball at an instant after the ball is launched. vx = 21*cos21…

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Q: (1)Find the expression of the free-fall acceleration at a location which is h distance above the…

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Q: Q15. An astronaut is floating in space near her shuttle when she realizes that the cord that is…

A: total mass = 91 kgmass of metal tool = 1 kgvelocity with which the metal tool is thrown = -9…

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Q: A. If Force = pain, which will hurt more, moving INTO the balloon, or moving AWAY from the balloon…

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Q: 4. Find the center of mass along the axis of symmetry (z-axis) for a hemisphere with a radius a that…

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Q: 6. A 60 kg astronaut, floating freely in space, pushes forward with a force of 30 N on a freely…

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Q: 1. A paintball with a mass of 0.15 kg is fired from a paintball gun that has a mass of 5.5 kg. The…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A 56.0-kg astronaut is in space, far from any objects that would exert a significant gravitational…

A: Total momentrum of is sum of individual momentum of all objects. pnet=p1+p2+p3+p4+p5 Given: Mass of…

Q: If we exert 1200N on an object to cause it to accelerate 0.55m/s2, what is the mass of the object?

A: Given data The force is F=1200 N The accleration is a=0.55 m/s2   The mass of the object is, a=Fm

Q: 2. A 'small' asteroid with a mass of 1000kg is moving through deep space with a constant velocity of…

A: mass of small asteroid (m) = 1000 kgMass large asteroid (M) = 10000 kg initial speed of smaller…

Q: 1. a. A 100 kg astronaut on a spacewalk is 25m away from the 10000 kg space capsule and at the full…

A: The astronaut's mass is, m1=100 kg The distance of the astronaut is, x1=25 m The mass of the space…

Q: An astronaut with a mass of 70 kg is outside a space capsule when the tether line breaks.  To return…

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Q: A 57-kg factory worker takes a ride on a large, freely rolling 27-kg cart. The worker initially…

A: Given, Mass of a factory worker m1 = 57 Kg Mass of cart m2 = 27 Kg Speed of both is v1 = 3.2 m/s…

Q: (III) A huge balloon and its gondola, of mass M, are in theair and stationary with respect to the…

A: Let us consider the origin of the coordinate system as the center of mass of the balloon, gondola,…

Q: 1. A golfer strikes a 0.058-kg golf ball initially at rest with a force of 272 N and gives a…

A: Hi, you have submitted multiple questions and it is not specified in which problem you need help.…

Q: A 30 kg child sits on a Ferris Wheel that has a diameter of 20 m. The wheel rotates 3.2 times per…

A: Given Data: Child mass, m=30 kg Diameter, D=20 m Radius, R=D2=202=10 m Rotation is 3.2 times/minute.…

Q: 1. I'm in an elevator standing on a scale and I'm heading up, but I'm slowing down to a stop. My…

A: Given data *The given mass is m = 71 kg *Apparent mass is M = 64 kg

Q: 62. Two ice skaters, with masses of 50 kg and 75 kg, are at the INT center of a 60-m-diameter…

A: While pushing against of both skater, there is no any force on that due to this reject the friction…

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Q: Test No Weight (N) H1 (cm) H2 (cm) P.E. (initial) (J) P.E. (final) (J) Loss in P.E. (J) 1 1.4 60…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 1. A thin strip of metal of mass M is bent into a quarter circle with radius R. Relative to a…

A: Given Mass of metal strip = M Radius = R Strip shown in the figure We have to calculate co-ordinate…

Q: A stationary 2.17-kg object is struck by a stick. The object experiences a horizontal force given by…

A: Mass of object m=2.17 kg F=at-bt2    where t - time in seconds a=1500000 N/s , b= 20000000 N/s^2…

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Q: A 15 gram bullet is fired horizontally into a 0.836 kg wooden block suspended from the ceiling.  The…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!