At a time when mining asteroids has become feasible, astronauts have connected a line between their 3780-kg space tug and a 6940-kg asteroid. They pull on the asteroid with a force of 611 N. Initially the tug and the asteroid are at rest, 571 m apart. How much time does it take for the ship and the asteroid to meet?

Q: The two masses in the figure are released from rest. After the 5.0 kg mass has fallen 1.5 m, it is…

A: According to the kinematics equation, find the acceleration. Substitute the values,

Q: book (m = 3.50 kg) is at rest on a table. Maria pushes down on the book with a 10.0 N force. If the…

A:

Q: A 67.3 kg person is standing inside an elevator. The elevator is traveling from the 1st floor to the…

A: Consider the person’s mass be m, its weight be w, the speed of the elevator be u, the normal…

Q: Starting from rest, a 28.0 kg28.0 kg child rides a 8.75 kg8.75 kg sled down a frictionless ski…

A: Given  Mass of the child mc=28.0kg Mass of the sled ms=8.75kg Total mass M=mc+ms M=28.0+8.75…

Q: A space traveller weighs herself on Earth at a location where the acceleration due to gravity is…

A: The weight of a person is given by the expression W=mgm is the mass of the substanceg is the…

Q: Question 3. A hockey puck with a mass of 0.5 kg slides horizontally on the frictionless ice of a…

A: Mass of the punk (m)= 0.5 kg Force F1 = 5 N and θ1=(-36.6) degrees Force F2 = 10 N and θ2=(-60)…

Q: A person pushes a 0.20 kg lunch tray across a table

A: Required : The normal force, N.

Q: Your mass is 77.3 kg, and the sled s mass is 18.9 kg. The sled is moving by itself on the ice at…

A: Given : m1 = 77.3 kg m2 = 18.9 kg v2 = 3.73 m/s

Q: Two blocks are arranged at the ends of a massless string as shown in the figure. The system starts…

A: Given m=4.36kg, M=5.77kg. Let a be the acceleration of the system. From the FBD of mass m, T - mg=-…

Q: A person traveling in a 2,000 kg car at a constant speed of 40.0 m/s applies the brakes, causing a…

A: Given:Mass of the car = 2,000 kgInitial speed of the car = 40 m/sFinal speed of the car = 0Force…

Q: weight of this object

A: Given: Gravitational acceleration on surface of planet Neptune is g=11.15 m/s2 Mass of object is…

Q: is at rest on a horizontal floor.  A 22 kg child sits on top of the box.  A person pushes the box…

A: Net force = ma

Q: You’re in a rocket that’s accelerating through intergalactic space at 5.82 m/s2.  Your mass is 80.0…

A: GIVEN             Mass , m = 80.0 kg            Acceleration , a = 5.82 m/s2           Weight , W =…

Q: ength of the barrel, and it exits the barrel with a speed of 730 m/s. Assuming that the acceleration…

A:

Q: (c) What total mass is accelerated to the right by force F32? 10 kg 5 kg 1 7 kg 10 kg 17 kg 2 kg 2 3

A:

Q: A rocket is launched vertically from the Earth, and the thrust (pushing force) from the engines is…

A: Acceleration = Force /mass

Q: scientists are experimenting with a king of gun that may eventually be used to fire  payloads…

A:

Q: Ross and Rachel are fighting if they were on a break. Ross is trying to get his stuff weighing 150.…

A:

Q: A cow is pushing its baby from side of the farm to another. The floor of the farm is not…

A: we know that the net force is equal to the product of the mass and acceleration. the acceleration is…

Q: Blocks with masses of 3.0kg, 4.0 kg, and 5.0 kg are lined up in a row on a frictionless table. All…

A: Given: The mass of the first block is m1=3 kg. The mass of the second block is m2=4 kg. The mass of…

Q: A student with a mass of 68 kg gets on a ferris wheel that rotates at a constant speed. When the…

A: Since, student is in circular motion so, he need a centripetal force which is always towards the…

Q: You are at the grocery store pushing on a shopping cart. The mass of the cart including all the…

A: Given Data : The mass of the cart is given as mc = 26 Kg. The coefficient of friction between the…

Q: The figure shows two blocks that are connected by a cord that passes over a frictionless pulley. The…

A:

Q: Fernanda is standing on a scale while riding an elevator. The elevator accelerates upward from rest…

A:

Q: A 68.5 kg person is standing inside an elevator. The elevator is going from the 1st floor to the 9th…

A:

Q: Somone is standing on a piece of cardboard holding a wire that is attached to a vehicle.  The…

A:

Q: A 8.0 x 104 kg spaceship is at rest in deep space. Its thrusters provide a force of 1200 kN. The…

A:

Q: The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope…

A:

Q: A spring is fixed to a board so that its hanging from it vertically. A 10 kg mass is attached to the…

A: Given: Mass attached to the spring is m=10kg. The spring is stretched by ∆x=0.2m. Acceleration due…

Q: A flea jumps by exerting a force of 1.32 × 10-5 N straight down on the ground. A breeze blowing on…

A: Given Force exerted by the flea on the ground is Fflea=1.32×10-5 N Force due to the breeze parallel…

Q: Two roomates are disagreeing over where to place a 72 kg couch. Katie is pushing the couch to the…

A: Given : Mass of a couch (m) = 72 kg Force with which Katie is pushing the couch (Fkatie) = 410 N…

Q: Sammy is doing a strength testing session on the turf in preparation for the upcoming basketball…

A: Mass of sled (m) = 105 kgCoefficient of static friction (us) = 0.3Sammy apply only horizontal…

Q: Mary applies a force of 80 N to push a box with an acceleration of 0.54 m/s2. When she increases the…

A:

Q: A 50.0 kg girl and a 100 kg boy, stand on a frictionless frozen lake at a distance 6.0 m apart.…

A: mass of girl = 50 kg mass of boy = 100 kg distance between girl and boy = 6 m force exerted by boy…

Q: What is the speed and direction of the child? How long does it take the child to make it to the edge…

A: Given mass of the child (m1) = 25kg mass of the dog (m2)= 11kg radius of the pond (r)= 15m velocity…

Q: A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is…

A: case 1the deceleration is given by

Q: Two blocks are attached to opposite ends of a massless rope that goes over a massless, frictionless,…

A:

Q: In deep space, an astronaut is whipping a heavy tool around in a circle by a taut cable. The cable…

A:

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.