A physics student with mass 51kg slides in the snow (see figure). Find the velocity for each points @ A, B, C, D and E. 100 m 60 m 30 m

Q: City A lies 30 km directly south of city B. A bus, beginning at city A travels 50 km at 37° north of...

A: City A lies directly 30 km south of city B Beginning of city A , a bus travels 50 km at 37onorth of ...

Q: 4. At a given instant, the blood pressure in the heart is 1.6 x 10* Pa. If an artery in the brain is...

A: Given: The pressure at the heart is 1.6x104 Pa. The height of the artery from the heart is 0.45 m.

Q: Eind Àx C) · (Č × B) given the following vectors: Å = 21 + 5j B = -31 – }+ 2k Ĉ = 1+ 4j 51 k B 33k 5...

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Q: An apple crate with a weight of 225 N accelerates along a frictionless surface as the crate is pulle...

A: Let, the mass of the apple crate is M. So the weight of the apple crate is, W = Mg g = 9.81 m/s2

Q: A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the base...

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Q: Assume that a drop of mercury is an isolated sphere. What is the capacitance of a drop that results ...

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Q: An electron moves straight upward away from the ground in a region where the Earth's magnetic field ...

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Q: the specific heat of a substance, and, by definition, the heat required to raise the temperature by ...

A: Specific heat It is defined as heat required to raised the temperature of uint mass of substance by ...

Q: use the Scalar preduct to find th angle between: cal A=3i-2j and B =4i -4j (b) A = i - 2j+2¢ and B= ...

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Q: patient's breathing, a coil with N = 130 turns is wrapped around the chest. The plane of the coil is...

A: We know that the formula of the emf in terms of the magnetic flux is given as  Emf =-N dϕdtEmf = -Nd...

Q: Which of the images below shows convection? Earth Sun A D

A: heat can be transfer from one point  to another point via following 3 process :- 1. conduction 2. co...

Q: Two objects of masses m, and m,, with m, P2 O P1< P2 Need Help? Read It Submit Answer

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Q: Suppose that Ĉ = j+.k• Ã = 2i + j, B =i- 4j + k, and A? What is the direction of vector

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Q: A hair is placed at one edge between two flat glass plates 7.51 cm long. When this arrangement is il...

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Q: Three resistors of resistances R1 = 11.3, R2 = 50.6, and R3 = 83.4 are connected in series with a 15...

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Q: A car with mass mc = 1117 kg is traveling west through an intersection at a magnitude of velocity of...

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Q: An apple crate with a weight of 225 N accelerates along a frictionless surface as the crate is pulle...

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Q: In a tug-of-war, each man on a 5-man team pulls with an average force of 500 N. What is the tension ...

A: Given, In a tug-of-war, each man on a 5-man team pulls with an average force of 500 N. So each team ...

Q: An alpha particle (a helium nucleus) has a charge of +2e = +3.20e-19 C and a mass of 6.64e-27 kg. Th...

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Q: What is the proper minimum required radiation protection for gamma radiation?

A: The  three principles that are required for minimizing exposure to radiation exposure Time: If we m...

Q: A car travels 105 m with constant deceleration of 2.4 m/s? in 3 seconds. What is the initial velocit...

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Q: Vt = ??7 R = 4 Q %3D R1 = I = 05 A Vi= 6 V Il 3

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Q: Suppose that à = 2i + j, B =i– 4j + k, and Ĉ = j+,k• What is the magnitude of the vector 2A – B + Ć ...

A: Given Data:- The vectors are given as  A→=2i^+j^ B→=i^-4j^+k^ C→=j^+k^ Required:- We need to calcula...

Q: ε 24 V R 3.0 Ω. 6.0 Ω

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Q: n which one of the following situations does the car have a westward acceleration? A The car travels...

A: Acceleration is the rate of change of velocity.

Q: An electric field of 420000 N/C points due west at a certain spot. What is the magnitude of the forc...

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Q: In the figure below, the deltoid and subscapularis muscles work as a force couple to abduct the arm ...

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Q: These are materials in which some of the electrons are free electrons that are not bound to atoms an...

A: Superconductor is a material in which the matter has no electrical resistance and it doesn't oppose ...

Q: What electrical quantity cannot be changed by a transformer

A: What electrical quantity cannot be changed by a transformer.

Q: he ground at an angle of 42° with an initial speed of 200 m/s. What is the velocity vector of the pr...

A: We know that the second equation of the motion is given as  s = ut +12at2 where u is the initial vel...

Q: A ball is thrown upward in the air with an initial velocity of 40 m/s. How long does it take to reac...

A: A ball is thrown upward in the air with an initial velocity of 40 m/s.

Q: A clown juggle balls while doing other activities. In one act, she throws a ball vertically upward, ...

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Q: There are three charges interacting to one another. Q2 which has a value of +3.52 nC is at the negat...

A: Q2 = +3.52 nC Q3 = -7.80 nC at origin Q1 = 6.01 nC d13 = 0.45 m d12 = 0.8 m   

Q: A pendulum of length L with a bob of mass m swings back and forth. At the low point of its motion (p...

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Q: A tennis ball is thrown upward at an angle from point A. It follows a parabolic trajectory and hits ...

A: (D) option is correct.

Q: A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the base...

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Q: EVALUATE THE STATEMENTS. An electric field does positive work on a charged particle if (I) a negati...

A: Option (a) is correct answer. The statement one is correct while the other statement is wrong.

Q: A 60 kg student rides on a roller coaster that makes a vertical loop. a. Draw a free-body diagram fo...

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Q: ven the system below, calculate the electric potential energy for the group of charges.     Q1 = -1...

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Q: Suppose that à = 2i + j, B = i- 4j + k, and Ĉ =j+k À· (B × Č)? What is

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Q: Horizontal Field As compared to the horizontal component of the velocity at point Y, the horizontal ...

A: Component of velocity same   Answer  C) same  

Q: A ball is thrown straight up from point A, reaches a maximum height at point B, and then falls back ...

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Q: n the circuit of Fig. 2 calculate: a) Total Capacitance b) Total charge of the network c) Voltage ac...

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Q: If the coefficient of kinetic friction, , between the block and the surface is 0.30 and the magnitud...

A: We know friction force  f =mN  where m is coefficient of friction  N = normal force = weight of body...

Q: O = 50 = 50° B If A = 5 unit and B =quniA Calcu late : (a) A.B and B.B. (6) AxB and Bx. (c) AxA

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Q: Question 6* A sprinter in a 100m race accelerates uniformly for the first 35 m and then runs with co...

A: Given: total distance s=100 m distance covered with uniform acceleration s1=35 m t1=5.4s distance co...

Q: Suppose you tie a rock to the end of a 1-meter-long string and spin it in a vertical circle. What is...

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Q: Part A A "moving sidewalk" in an airport terminal building moves at a speed of 1.4 m/s and is of len...

A: length (L) = 33 m speed of sidewalk = 1.4 msspeed of woman = 1.9 ms  

Q: If an inductor carrying a current of I = 1.3 A stores PE = 0.643 J of energy, what is its inductance...

A: Given Data: The current is: I=1.3 A The stored potential energy in the inductor is: PE=0.643 J

Q: placement vector is 23 km in length and directed 65° south of east. What are the components of this ...

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”