Noel is playing on a swing and has a weight of 60.0Newtons. Approximately, what is his maximum speed if he goes initially from a height of 0.50 meter to a maximum height of 3.00 meters.   8.5 meters per second   3.5 meters per second         7.0 meters per second         5.1 meters per second

Q: Consider the following controls of a car: gas pedal, brake, steering wheel. The control/s on the…

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Q: 9.10. •• An electric fan is turned off, and its angular velocity decreases uniformly from 500…

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Q: Given data. Time Force 28 N Find the Impulse = 14 s ||

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Q: What name is given to the region in which a magnet influences other magnetic materials?

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Q: Mark Lee hits a baseball and it leaves the bat at a speed of 30 m/s at an angle of 25 degrees above…

A: Initial speed(u) = 30 m/s Angle of projection   = 25°

Q: A cart X with a mass of 4 kilogram is initially moving at 5 meters per second. It collided with cart…

A: initial velocity of cart X (u1) = 5 m/s mass of cart X (m1) = 4 kg mass of cart Y (m2) = 6 kg…

Q: The resistance of a wire that is 105 cm long is 20.5 Q. After the temperature change, its resistance…

A: Information Given:- Length of the wire is l=105 cm Initial resistance of the wire is R0=20.5 Ω…

Q: A stone was thrown in the air at an angle 37 degrees above the horizontal. Given its horizontal…

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Q: If you were to drop a large log over the edge of the Grand Canyon and it took 6.26 seconds to hit…

A: Using first equation of motion, v = u + a×t Since it is dropped => u = 0

Q: A bus starts from rest and accelerates uniformly over a time of 10.5 seconds for a distance of 400m.…

A: Initial velocity, u = 0 Time taken, t = 10.5 seconds Distance, s = 400 m Acceleration, a = ?

Q: a) One ton of TNT releases 4.18 gigajoules of energy. The metric prefix giga means billion. How much…

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Q: Figure E11.8 11.8 A 60.0-cm, uniform, 50.0-N shelf is supported horizontally by two vertical wires…

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Q: Illustrate and explain total internal reflection.

A: Total internal reflection: A total internal reflection, in physics, a complete reflection of a ray…

Q: Describe the arrangement of the electromagnetic waves

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…

Q: Find the vector from B to A (AB), given thatẢ = and B =. Answer should be in this form:

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Q: Q2/ A hockey puck having a mass of 0.30 kg slides on horizontal, frictionless surface of an ice…

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Q: 2. A cube of side 8.50 cm is placed in a uniform field E = 7.5 x 103 N/C with edges parallel to the…

A: Solution:-

Q: if action is of 10 N, then the reaction will be of O 10 N in the same direction 20 N in the same…

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Q: A 0.24-kg volleyball approaches Tina with a velocity of 3.8 m/s. Tina bumps the ball, giving it a…

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Q: MASS SPECTROMETER: URANIUM SEPARATION II. In the figure below, what would happen to the separation…

A: Required effect on the separation "d" if magnetic field B is increased.

Q: A car presses the brake of its car by exerting a force of intensity of 60 N and direction…

A: Given:-  The force applied to the pedal F = 60 N direction perpendicular to the pedal.  The moment…

Q: 17) For an LRC series circuit containing a resistance of 11.0-22, a capacitance of 2.0-µF, and an…

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Q: Two pistons of a hydraulic lift have a radius of 5 cm and 11.5 cm respectively. If the input force…

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Q: Choose the point farthest from SOUTH A. 40 degrees east of south B. 45 degrees north of west C.…

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Q: 3. Determine the direction and magnitude of the electric field at point P. The charges are separated…

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Q: a) If the mass lost in a nuclear fission reaction is 15 grams, how much energy is released? b) An…

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Q: The mass of block B is 92 kg while that of A is 55 kg. A horizontal force P= 407N is applied at…

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Q: A 2500 kilogram truck is moving initially with a velocity of 10.00 meters per second. To change its…

A: Given: Mass of truck, m=2500 kg Initial velocity, u=10.00 m/s Final velocity, v=20.00 m/s Time…

Q: 3. Two point charges, q₁ = +5.00 nC and q2 = -3.00 nC, are separated by 35.0 cm. (a) What is the…

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Q: The length and area of a wire is given 0.2m and 0.5 m^2 respectively. The resistance of heat wire is…

A: Given data, Resistance (R)=3 Ω Length (L)=0.2 m Area (A)=0.5 m2

Q: 3. Two point charges, q₁ = +5.00 nC and q2 = -3.00 nC, are separated by 35.0 cm. (a) What is the…

A: Answer:-  Given  Charge (Q1) = + 5.00 nc = + 5 × 10-9 c  Charge (Q2) = - 3.00 nc = - 3 × 10-9 c  k =…

Q: A rectangular coil with 225 turns is 5.0 cm high and 4.0 cm wide. When the coil is placed in a…

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Q: How much heat is given off when 175g of water freezes at 0°C? Hf = 334 J/g; Hv = 2260 J/g O 58.5 kJ…

A: Total heat needed to freeze water mass m kg is given by, Q = mHf Hf = 334 J/g for ice.

Q: ambi and Wiggy were riding on a carousel. Wiggy is closer to the axis of rotation while Bambi is…

A: angular velocity will be the same irrespective of the distance of the person from the axis of…

Q: *)A 4 ft long horizontal bar supports a load of 60 lb at one of its ends. The other end is pinned to…

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Q: Andy carries a sack of rice on his shoulder by applying a 250N force. Andy moves 8 m horizontally,…

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Q: 1. ) The magnetic flux through a coil containing 10 loops changes from 20Wb to-20Wb in 0.03s. Find…

A: Given data: Number of loops, N=10 Initial flux, ϕi=20 Wb Final flux, ϕf=-20 Wb Time taken, dt=0.03…

Q: Find the value of force applied if work done is 374 J and displacement is 30 m

A: The work done by a force is defined to be the product of the component of the force in the direction…

Q: Car 1 has half the mass of car 2, but they both have the same kinetic energy. If the speed of car 1…

A: Given data:  Mass of car 1 (m1) = m2/2 KE1 = KE2 The speed of car 1 (V1) = 10.0 m/s Required: The…

Q: A body does 22 Joules of work in 5 seconds. Calculate the power ?

A: Given data:  Work (W) = 22 J Time (t) = 5 s Required: Power (P)

Q: You are out on a hike and come across an unfortunate scene: a fellow hiker has fallen off a ledge.…

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Q: What is known as the change in position of an object? O displecment O speed O velocity none of the…

A: To identify :  The change in position of an object is known as ____

Q: The second hand on a watch has a length of 4.50 mm and makes one revolution in 60.00 s. What is the…

A: Given Data:- Length of the second hand is l=4.50 mm =4.50 mm×10-3 m1 mm=4.50×10-3 m Time for one…

Q: A 57-m length of wire is stretched horizontally between two vertical posts. The wire carries a…

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Q: force of 145.0 Newtons was applied by Jing to Nescy whose mass is 80.0 kg and is just resting at the…

A: Correct option is (c) 1.81m/s²

Q: An object, starting from rest, moves with constant acceleration of 4 m/s2. After 8 s, its speed is O…

A: From equation of motion we know that , V= u + ft, where f= constant acceleration.

Q: Find the magnitude of vector 12 i + 5 j

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Q: A current-carrying wire of length 50 cm is positioned perpendicular to a uniform magnetic field. If…

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

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Q: A 7.2 kg block is released from position A. The block slides down the frictionless track and then…

A: Choose up as positive y with the lowest point to be y=0Are there any non-conservative forces at work…