True or false question- The gravitational force exerted by the Sun on the Earth holds the Earth in an orbit around the Sun. Let us assume that the orbit is perfectly circular. The work done by this gravitational force during a short time interval in which the Earth moves through a displacement in its orbital path is zero

Q: DUE Da m gin un:: Problem 9: The force F (63 Ni+ (654 Nj acts on a particle as it moves first along…

A: Given:                 F=(6.3N)i+(6.54N)jx=0.59m  to x= 6.74m andy=1.41m to y=7.82mW=F.d

Q: The Ingenuity helicopter could fly horizontally with a maximum kinetic energy of 90.0J when tested…

A: Kinetic energy is the energy possessed by a body by virtue of its motion. It is calculated as…

Q: rope, attached to a weight, goes up through a pulley at the ceiling and back down to a worker. The…

A: Answer the following question

Q: A 2 kg object is released from rest at the top of a frictionless incline of an 39.1 angle. Given the…

A:

Q: A father places his 20 kg child on a 5.0 kg cart, to which a 2.0 m rope is attached. He then holds…

A:

Q: A 2.0 kg ball at the end of a 1.1 m string swings in a vertical plane. At its lowest point the ball…

A: (a)According to Newton's law of motion, V2=U2+2aS...............(1) Where, V=final velocity…

Q: )A particle of mass m travels in a complete vertical circles on the end of a light inextensible…

A:

Q: A1 013-kg satellite orbits the Earth at a constant altitude of 99-km. (a) How much energy must be…

A: Mass of satellite, m=1013 kgAltitude of satellite, h=99 kmhereenergy that must be added to move…

Q: A 2.00Kg puck on a frictionless horizontal surface on the Earth is constrained to a circular orbit…

A: Write the expression for the centripetal force and substitute the corresponding values to calculate…

Q: In her hand, a softball pitcher swings a ball of mass 0.255 kg around a vertical circular path of…

A: Analyze the following diagram. Since the force acting on the ball is not a conservative force, the…

Q: An astronaut, with a total weight on Earth of 1.2 x 103 N, including the space suit, is about to…

A:

Q: Q2)(" of a fixed sphere of radius R, where R>> size of the block. The surface of the sphere is…

A:

Q: You are sitting in the back seat of a taxi. The taxi driver makes a very sharp turn to the left, but…

A: When frame is accelerating ,then pseudo force will act on the objects present inside frame .

Q: What is the minimum speed with which a meteor strikes the top of Earth’s stratosphere (about 45.0 km…

A: Mass of Earth, M = 5.974×1024 kg Radius of Earth, R = 6.371×106 m  Gravitational constant, G =…

Q: What is the minimum speed with which a meteor strikes the top of Earth’s stratosphere (about 43.5 km…

A: Given that,mass of earth,M=5.974×1024 kgradius of earth,R=6.371×106 mHeight of stratosphere h=45.3…

Q: 10) Starting from rest, a 97.0 kg firefighter slides down a fire pole. The average frictional force…

A: The given values are, m=97.0 kgFk=800 Nv=3.60 m/s

Q: ΤΑ A body of mass m moves in a force field with potential energy U==mkr²,where k>0. At 2 time t = 0…

A: The potential energy function is given by U=1/2mkr2where r is the distance from the origin k >…

Q: A roller-coaster car is released from rest from height h and then moves freely with negligible…

A: Given Data The roller coaster is released at a height h. The radius of the circular loop is R. a) As…

Q: A 2-kg object is released from restat the top of a frictionless incline of an angle 29.7 degree.…

A: (given) Mass of an object = 2 kg                          θ=29.7° Length of the base of the incline…

Q: Three different objects, all with different masses, are initially at rest at the bottom of a set of…

A: Given Values, Mass (m1)=4.60 m Mass (m2)=2.21 m mass (m3)=m

Q: Three isolated particles, each of mass m = 2.00 g. are placed at the corners of an equilateral…

A: The mass of each particle, m is 2.00 g. The distance between each particle, d is 2.00 m.   Since the…

Q: A system consists of N identical particles of mass m placed rigidly on the vertices of a regular…

A: A circle can be made around regular polygon with N sides such that all its vertices are touching the…

Q: On an asteroid like Bennu, where NASA just landed a probe on October 20, a pressurized nitrogen…

A:

Q: At the Fermilab particle accelerator in Batavia, Illinois, protons are accelerated by the…

A: Given data The radius of the chamber is given as r = 1 km. The velocity of the proton is given as…

Q: The world record for pole vaulting is 6.15 m. If the pole vaulter’s gravitational potential is 4942…

A: Given Potential energy= 4942 J Height = 6.15 m We have to calculate the mass

Q: R m A uniformly-dense, non-rotating planet has a radius R = 1 x 106 meters and a mass such that GM =…

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

Q: c) i) Relative to the sun, calculate the minimum speed for a spacecraft to escape the solar system…

A:

Q: 4The free-fall acceleration on the surface of the Moon is about one-sixth that on the surface of the…

A: solution as

Q: 5. How much more kinetic energy is required for an object in Case E. to escape the Earth's…

A: At infinity , kinetic energy and potential energy both are 0 .  So , ET =EK+EG = 0

Q: Relative to the sun, calculate the minimum speed for a spacecraft to escape the solar system if it…

A:

Q: the work done

A:

Q: A 45.0 kg object is pushed up an incline as shown with a horizontal force of 300.0 N. The object is…

A:

Q: A wheelchair with a initial speed of 0.63 m/s is going up a ramp that has a 45° angle. What is the…

A:

Q: Three bowling balls form an equilateral triangle. Each ball has a radius of 10.4cm and a mass of…

A:

Q: If the motor exerts a constant force of 300 N on the cable, determine the speed (ft/s) of the 20-kg…

A:

Q: figure below shows a roller-coaster car on a track. The car is fully loaded with passengers and has…

A: Car will loose contact if if there is no normal force or normal reaction becomes zero. At point B…

Q: 17. A few weeks ago in lab you were releasing gliders down a tilted frictionless air track. Assume…

A: Given Data Angle of the track with the horizontal is θ=18°. The glider passes through the gate after…

Q: The figure below shows 6 different situations in which a box is released from rest at the top of a…

A: Given The blocks are at rest initially The inclines are frictionless

Q: I kg is initially A wedge of mass driven up a frictionless ramp by a horizontal force F = 50 N due…

A: Since you have posted question with multiple sub-parts. We will solve first three sub-parts for you.…

Q: Consider a planet following the orbit shown. At which point does the planet have the highest…

A: The gravitational potential energy is given by, PE=-GMmr Here, G is the universal gravitation…

Q: 8) A 31.0 kW electric motor drives a vehicle at an average velocity of 9.20 m/s. Assuming a constant…

A: Given: Electric power, P=31.0 kW Average velocity, v=9.20 m/s   To determine the magnitude of…

Q: Three collinear masses are separated by the distances shown. How much work does it take to pull…

A: