A spaceship travels at 0.99c for 3 years ship time. How much time would pass on the Earth?

Q: 3. Determine the thermal coefficient of resistance of copper at 50°C, then use this value to…

A: We have to find the thermal coefficient of resistance of copper as 50 degree Celsius.

Q: 4) A 90 eg woman Stards yu an elevator. Find the force which the floor of the ele vator Pxert, on…

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Q: 42.0° water unknown material 30.0°

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Q: 2. A stone and a feather, both from rest, are dropped together at the same time and fall freely…

A: Acceleration is independent from the mass so both object light or heavy feel the same acceleration…

Q: Problem 2: The upper leg muscle (quadriceps) exerts a force of FQ = 1100 N, which is ied by a tendon…

A: Given data as per question force FQ  = 1100N

Q: Problem 8: The free-body diagram shows the all of the forces acting on an object of mass m = 4.13…

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Q: Problem 9: A gymnast with a mass of 46-kg jumps on a trampoline. What force does a trampoline have…

A: Mass (m) = 46 kg  Acceleration (a) = 7.5 m/s2 Gravity (g) = 9.80 m/s2  ........( constant)

Q: Given the vector u = (2,0, 1). (a) Solve for the value of a so that u and i = (a, 2, a) form a 60°…

A: a) we have,…

Q: Suppose we model the cornea of the human eye as a thin lens with a focal length of 2.00 cm. We also…

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Q: A motor boat moves at a steady speed of 4 m/s. Water - resistance acting on it is 1035 N. Calculate…

A: Given data :                           Force     =    F                     Speed of the boat    =…

Q: 3. A girl standing 2 meter in front of a plane mirror wishes to take a picture of her reflection. To…

A: Given Data : The distance of the girl from the plane mirror is given as u = 2 m.

Q: Based on the arrangement of the electric field lines, what can you say about the charges?…

A: Given: Based on the arrangement of the electric field lines, what can you say about the charges?…

Q: 3) This a collection of problems that are unrelated to each other unless specifically stated. a) In…

A: Given data: The compression ratio is r=30. The incoming pressure is P1=1.2 atm. The incoming…

Q: Answer question 2

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Q: 3. A stone falls freely in air (no air resistance). If the stone falls from rest (initial speed is…

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Q: cup of coffee has a mass of 0.377 kg. If you place this cup of coffee on a desk and let it sit there…

A: cup of coffee has a mass of 0.377 kg. If you place this cup of coffee on a desk and let it sit there…

Q: 2. A particle is traveling on the path r2(t), with acceleration vector (6t, e', 0). Initially at t =…

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…

Q: A diverging lens always produces a virtual erect image. A diverging lens always produces a virtual…

A: Converging lens(convex lens) :- 1) It sometimes produces Real and Inverted image.  2) when object is…

Q: A racing car has a uniform acceleration of 16 m/s?. What distance will it cover in 10 seconds after…

A: Given data :                   Initial velocity   =     u                   Acceleration     =     a…

Q: object has a net charge of +5e, then it has _______________. Select one: lost 5 electrons…

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Q: A small block is attached to an ideal spring and is moving in SHM on a horizontal, frictionless…

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Q: Ritche The potential difference across a 100 ohm resistor is 4.0 volts . What is the power…

A: All three resistance connect in parallel

Q: uss’s law and the fact that the electric field inside any closed conductor in electrostatic…

A: Given:-  Use Gauss’s law and the fact that the electric field inside any closed conductor in…

Q: as a test of orienteering skills, your physics class holds a contest in a large open field. Each…

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Q: A small block is attached to an ideal spring and is moving in SHM on a horizontal, frictionless…

A: Given Data:- Amplitude of the motion of the block is A=0.270 m Period of the motion is T=3.30 s…

Q: A charged particle q is shot towards another charged particle Q which is fixed, with a speed v. It…

A:

Q: Quiz l Å co leg block is pulled ug a plane 20° aboue the horizn ta at constant speed by a force…

A: Friction force opposes the relative motion between the surfaces.  When the block is pulled up , the…

Q: The maximum speed of a train is 90 km/h. It takes 10 hours to cover a distance of 500 km. Find the…

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Q: A 0.25kg puck is initially stationary on an ice surface with negligible friction. At time t=0s a…

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Q: 14.45 PQ< The pressure rise associated with gases in a com- pressor causes the gas temperature to…

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Q: ww 12V 5Ω ww В 12 t is the voltage (in V) across R2? B.

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Q: A proton moves through a region containing a uniform electric field given by E = 35.0 ĵ V/m and a…

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Q: Problem Solving 1. A head-on collision is experienced by two identical balls of 0.35 kg mass. The…

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Q: A golfer hits a 50g golf ball with a golf club that weighs 200g. At the point of impact, the golf…

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Q: Draw the correct symbol for each of the electric components below. COMPONENT SYMBOL Battery…

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Q: -.what is hexa with example.

A: What is hexa with example

Q: Problem 7: Two muscles in the back of the leg pull upward on the Achilles tendon, as F,(200 N)…

A: The horizontal component of F1 acting in the right direction is F1x = F1 sin(20°) = (200 N)sin(20°)…

Q: The origins of two frames coincide at t = t' = 0 and the relative speed is 0.975c. Two…

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Q: Q1: 1-Draw and explain Diffraction Grating. 2-Determine the angular positions of the first- and…

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Q: A merry go round is accelerated at a constant rate of 0.005 rev/s2, starting from rest. (a) What is…

A: Given data The acceleration is given as α=0.005 rev/s2. The time interval is given as t = 1 min =…

Q: Three identical resistors are connected in parallel to a battery. If the current of 12 A flows from…

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Q: Example 35-1: Single-slit diffraction maximum. Light of wavelength 750 nm passes through a slit 1.0…

A: solution: Part (a) solution

Q: 270 N 50°7 B 400 N 30 D 30

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Q: 3) A particle travels as shown. What is the direction of the forces on the particle? B В V E O Fe…

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Q: Motion Diagrams 1. For the following two position vs. time graphs, write whether displacement is…

A: 1) A) the position versus time graph is given for an object in motion

Q: Problem 6: A crate of mass m = 0.84 kg is on a frictionless incline that makes an angle of 0 P =…

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Q: A helium-neon laser emits light with wavelength of 632 nm in vacuum. What is the frequency it…

A: The wavelength of the laser light is given as λ=632 nm=632×10-9 m

Q: Which of the following is true about the neutral point produced by the electric field of two…

A: Neutral point is a point where net electric field is zero and because of this any charge placed on…

Q: 26 A hydraulic lift has pistons with radii 4.00 cm and 18.0 cm, respectively. If a force of 825 N is…

A:

Q: A speck of dirt is embedded in a spherical block of ice (n = 1.309) with a radius of 7.00 cm. If the…

A: Given data: The refractive index of ice is ni=1.309. The radius of sphere is R=7 cm. The apparent…