x X x

Q: A seesaw in a children’s playground is 4.00 m long pivoted at its center. Suppose a 25-kg child sits...

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Q: 3. A 3.0 kg particle is moving at a constant speed of 4.0 m/s along the direction of = î + 2ĵ . What...

A: According to our policy we will answer only first question

Q: (COLLAB) Simulate the motion of an idealized projectile in PhysLab. What is the range of the shuttle...

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Q: The graph below shows a plot of angular velocity in rad/s versus time in s from t = 0 s to t =7 s. A...

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Q: 6. A DVD disc starts rotating from rest and makes 6.0 rad after 3 seconds. Assuming it accelerates u...

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Q: After a big snowfall, you take your favorite rocket-powered sled out to a wide field. The field is 1...

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Q: A 0.20-kg rubber ball is dropped from a height of 1.0 m above the floor and it bounces back to a hei...

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Q: Calculate the percentage decrease in monochromatic intensity I, when the light passes through the la...

A: When light passes through some material, it interacts with the atoms present inside the material. So...

Q: Example1: a) A battery has internal resista resistance increases to r = 2.0 N when the %3D of the id...

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Q: 12. Two boys are at point X on one side of a river, 40 m wide and having a current of 1.0 m/s, flowi...

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Q: ler throws a bowling pin straight up with an initial speed of 7.7 m/s from an initial height of 1.4 ...

A: Given Initial velocity u = 7.7 m/s

Q: A a muzzie same height. At what angie above the horizontal must the gun be aimed so that the bullet ...

A: velocity of bullet = V = 460m/s horizontal distance = range = R = 800m angle of projection= ?

Q: Example 3: A circuit consists of three identical light bulbs, each of resistance R, connected to a b...

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Q: Find the drift velocity vg of conduction electrons in a gold wire of diameter 2.03 mm when a current...

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Q: However, the molecule we can encounter everyday continuously vibrates and interact with the surround...

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Q: According to its computer, a robot that left its closet and traveled 1200 m, had an average speed of...

A: Answer Given data  Distance travelled d = 1200 m Average speed s = 20 m/s We have to find time taken...

Q: An architect knows that a home receiving a lot of exposure from the sun will benefit from the heatin...

A: Given : The method by which heat is transfered to a home that uses a lot of glass roof to help heati...

Q: Part C: Problem Solving | ig digs= 17] 1. Olaf is sitting on the ice one day when Anna skates by at ...

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Q: A construction worker with a weight of 850 N stands on a roof that is sloped at 20°. What is the mag...

A: Given  weight of constructor(W)=850 N inclined angle of roof=200

Q: 2) Workmen are trying to free an SUV stuck in the mud. y B (350 N) To extricate the vehicle, they us...

A: In the given problem, four different forces are acting on the SUV. These are A=600 N, acting along t...

Q: 6. An object of mass 3.0 kg is whirled around in a vertical circle of radius 1.3 m with a consta. ve...

A: Given: The mass of the object is 3 kg. The radius of the circular path is 1.3 m. The speed of the ob...

Q: Find the resultant force on (a) the mass m1 = 0.218 kg and (b) the mass m2 = 0.109 kg in the figure ...

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Q: A = 1.05i + 1j + 1.08k B = 0.98i + -0.81j + -0.92k What is the angle (in degrees) between the bonds...

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Q: You are on the roof of a Physics Building, 51 m above the ground. Your physics professor, who is 1.7...

A: Height of Physics building, H = 51 m Height of Professor, h = 1.79 m Velocity at which professor is ...

Q: Find the distance in parsecs to van maanen's star, a nearby white dwarf, which has an annual paralla...

A: given ,       parallax (p) = 0.232 arcsec

Q: 9. A flywheel is rotating at 2.0 rad/s. How much time does it take to complete one revolution? d) 6....

A: (9) The given data are: ω=2 rad/sθ=1 rev=2π rad Here, ω is the angular speed and θ is the angular di...

Q: A can of sardines is made to move along an x axis from x = 0.20 m to x = 1.24 m by a force with a ma...

A: Given:- A can of sardines is made to move along an x-axis from x = 0.20 m to x = 1.24 m by a force w...

Q: 3. At the instant when the traffic light turns green, an automobile starts with a constant accelerat...

A: Given  Initial speed of automobile u=0 m/s acceleration a=1.8m/s2 speed of truck u'=8.5 m/s  

Q: A star is moving toward the Earth at 250 km/s. What can you say about the wavelength of the H-alpha ...

A: ANSWER :- C = It would be less than 656.3 nm Explanation :- According to the DOPPLER EFFECT :- "when...

Q: A baseball with a mass of 0.65 kg was pitch into the air at a height of 25 meter above the ground wi...

A: Given:-  A baseball with a mass m = 0.65 kg  The air at a height of h = 25 m  The velocity v = 15 m/...

Q: An object is initially travelling at a velocity of 3m/s[N] and after 10s is travelling at a velocity...

A: Given: An object is initially travelling at a velocity of 3m/s[N] and after 10s is travelling at a v...

Q: A long jumper leaves the ground at an angle of 30° to the horizontal and at a speed of 6 m/s. How fa...

A: "Since, you have asked multiple questions, we can answer only first question according to our guidel...

Q: Vectors à and B have the same magnitude L and are perpendicular to one another. Find the magnitudes ...

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Q: 3-Calculate the energy (in eV) of the levels (1“, 20d, 3rt and 4h ) for the hydrogen atom? 4-Calcula...

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Q: 5. A dog walks at 1.6 m/s on the deck of a boat that is traveliing north at 7.6 m/s with respect to ...

A: a) Vdb = Vdw - Vbw  Vdw = Vdb + Vbw = 1.6+7.6 = 9.2 m/s    b) Vdw = Vdb + Vbw = -1.6+7.6 = 6 m/s    ...

Q: a) equations of motion, b) the velocity, the position, and the total distance traveled when t = 7.0 ...

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Q: If you draw a vector on a sheet of paper, how many components are required to describe it? How many ...

A: If we draw a vector on a sheet of paper. We know any plane sheet of paper are the two dimensional sp...

Q: The figure shows a cord attached to a cart that can slide along a frictionless horizontal rail align...

A: Given that :Height of the cord(h)  h=1.2 msides of cord- x1=4.0 m x2=2.0 m Tension in the cord is a ...

Q: 4. A boat travelling at 3.0 m/s through the water keeps its bow pointing north across a stream that ...

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Q: Suppose the instructions for a scavenger hunt tell you to walk 3.2 km west, 6.3 km south, 9.6 km eas...

A: Distance travelled, 3.2 km west 6.3 km south 9.6 km east 5.4 km north  

Q: Honeybees acquire a charge while flying due to friction with the air. A 130 mg bee with a charge of ...

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Q: A magnet which generates 600 Maxwells of flux, is inserted through a coil of 1000 turns. It is then ...

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Q: QUESTION 4 Supply all missing information with the correct numerical values. Do not include the unit...

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Q: Question 6 Light: Always acts like a wave O Always acts like a particle O Acts like a particle somet...

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Q: I Review A rock climber stands on top of a 54 m -high cliff overhanging a pool of water. He throws t...

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Q: Two stones are thrown vertically upward from ground, one with two times the initial speed of the oth...

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Q: A shuttlecock is launched from the ground with an initial speed of 34.6092 m/s at an angle of 5.462 ...

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Q: The coefficients of kinetic fraction between this 27 kg box and the floor is 0.25 and the pushing fo...

A: Given  Coefficient of kinetic friction  ,u = 0.25  Mass of block = M= 27 kg  Applied force = F = 171...

Q: The graph below shows a plot of angular velocity in rad/s versus time in s from t = 0 s to t = 7 s. ...

A: We know ∆ theta is area under the graph .                i e ∆∅= area . 

Q: cannonball is catapulted toward  castle. The cannon ball velocity when it leaves a catapult is 40 m/...

A: The given data are: u=40 m/sθ=37°h=7 m Here, u is the initial velocity, θ is the projectile angle, a...