Focused ion beams are used for micro-machining. An ion-beam gun accelerates Ga+ ions (atomic weight 70 amu) through a 50 kV potential difference. State the kinetic energy of the ions and calculate their speed.

Q: A 75.0 Kg person stands on a scale that reads 500. Newtons. The person is pulling on a rope that is…

A: The tension in the rope T=mg-N  =75.0 kg×9.81 ms2-500 N  =236 N

Q: 60.0 kg skier is moving down a snowy hill inclined at 5 degrees above the horizontal with an…

A: mass of skier (m) = 60 kg initial angle of inclined hill (θi) = 5oinitial acceleration = 0.4 ms2

Q: The engine of a 1,301 kg car provides a forward directed force of 5,386 N. If the car accelerates at…

A: Given: The mass of the engine is 1301 kg. The forward applied force by the engine is 5386 N. The…

Q: -kg man jumps 1.00 m down onto a concrete walkway. His downward motion stops in 0.04 seconds. If he…

A: Here, we calculate the given as follow;

Q: We rest our calculator on a physics book; the surfaces have coefficients ?s = 0.45 and ?k = 0.25.…

A:

Q: 1. Three blocks (m;=1.0 kg, m2=2.0 kg, m3=3.0 kg) are on a surface with a friction coefficient of…

A: Given quantities: masses of three blocks : m1 = 1.0 kg , m2 = 2.0 kg , m3 = 3.0 kg  coefficient of…

Q: A 2500 kg roller- coaster completes a loop of radius 16 m in 3.00 s. a. Draw an FBD of the coaster…

A:

Q: A driver tells passengers to buckle their seatbelts, invoking the law of inertia. In a few…

A: Newtons first law of motion. A body will   not change its motion unless any unbalanced force act on…

Q: IYGBW A hockey puck with initial speed 8.0 m/s travels 150 m before coming to rest. What is the…

A:

Q: The figure applies to the next several questions. If M (the hanging mass) accelerates downward at…

A: Given:- A figure with the two pullies connected with two masses as shown in the figure The…

Q: You are standing in a moving bus, facing forward, and you suddenly fall forward. This happens…

A: Inertia is defined as a property of matter by which it remains at the state of rest or in uniform…

Q: An 7.57 kg wagon on a level surface is pulled by a 34.9 N force directed at 24° above the…

A:

Q: 13. 54-kg box is sitting on the floor of a level railroad car which is moving forward with a speed…

A: mass of box = 54 kg speed = 25 m/sa = 5.6 m/s2

Q: 4. Carriage B is loaded with box A as shown in the figure. Find the acceleration of caravan B and…

A:

Q: 8. 45 kg skier slides down a 410 incline. What would be the magnitude of the skier's acceleration if…

A: Given data The mass of the skier is m = 45 kg The angle of inclination is θ=41° The surface is…

Q: A 48.42kg hunter ropes a 167.82 kg sleeping polar bear and pulls the bear towards him until they…

A:

Q: 36 PM Tue Sep 24 Course Home XC Suppose The Po X G The total mass o X hat X openvellum.ecollege.com…

A: Part a)The required force to hold the outstretch arm is,

Q: Starting from a standstill, Abi (mass = 55.00 kg) performs a vertical jump. a.) How much does Abi…

A: Mass of Abi is m = 55.00 kg

Q: 5. Two 20kg carts are attached to opposite ends of a cable. Each cart is on a different side of an…

A: The mass of the first cart, m1=20 kg The mass of the second cart, m2=20 kg The inclination of the…

Q: The coefficient of friction between a race car's wheels and the track is 1.0. The car starts from…

A: Ans : option (c) 73 m/s is correct. Explanation: