A shopper pushes a 9.7 kg cart at constant of 1.20 m/s speed along a rough horizontal surface by applying a force of 25.6 N at an angle of 39.2° below the horizontal. What is the coefficient of kinetic friction between the cart and the surface? Fa а

Q: A particle travelled 3.9 m north then turned west and travelled 9.5 m in that direction and lastly,…

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Q: A point charge q1q1 = -4.00 nC is at the point x = 0.60 m, y = 0.80 m , and a second point charge q2…

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Q: The position of a moving 650-g particle is given by 7 = (2t2 +t)i + (7t² – t+4)j+ (2t³ – 4)k. Here 7…

A: Given:m=650 g =0.650 kgx→=(2t2+t)i^ + (7t2-t+4) j^ +(2t3-4) k^

Q: Calculate the minimum average power that a 35-kg human boy must generate in climbing up the stairs…

A: Given: mass of the boy (M) = 35 Kg            height of the building (h) = 170 m            Time…

Q: Suppose that on earth you can throw a ball vertically upward a distance of 1.05 m. Given that the…

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Q: A 20 kg brick stands upright on the ground as shown. What is the pressure it exerts on the ground?…

A: Given data:  Mass (m) = 20 kg Area of base (A) = 20 cm × 5 cm = 100×10-4 m2 Required: Pressure (P)

Q: ctrostatic forc

A: Electrostatic force

Q: A block of wood with length = 2.5 m, width = 50 cm and height = 400 mm. The density of seawater is…

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Q: What is the pressure exerted by saltwater water at 5 °C at a depth of 55 cm under the surface. The…

A: The pressure exerted by a column of liquid of height h and density ρ is given by, p = ρgh Where, p =…

Q: Define kinetic energy and gravitational potential energy. What is the SI unit for energy?…

A: Kinetic energy= (1/2) mv2 Gravitation potential energy= mgh

Q: 16 V 16 Q 12 2 12 Ω +

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Q: A model-train transformer plugs into 120-V ac and draws 0.32 A while supplying 7.8 A to the train.

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Q: How does an image differ in a corner reflector from that created by a single mirror. Provide an…

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Q: 12.10 The acceleration of a package sliding at point A is 3 m/s". Assuming that the coefficient of…

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Q: Given a 52.0 V battery and 20.0 Ω and 84.0 Ω resistors, find the current (in A) and power (in W) for…

A: Given value--- Voltage = 52 V. R1 = 20 Ohm. R2 = 84 Ohm. We have to find--- find the current (in…

Q: A mass of 500 kg is raised to a height of 6m in 30 s. Find (a) the work done and (b) the power…

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Q: In the classical limit calculate the wavelength corresponding to an electron with the energy of 95…

A: Given:  Energy of electron = 95 keV We have to find its wavelength.

Q: 3 – 44. If a ray of light from a material with n = 1.2 points at an angle of incidence of 25° would…

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Q: A particle is moving along a curved path. At a certain instant when the slope is 0.75, ax = 2 m/s2…

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Q: Find the maximum height reached by a rock which is launched at an angle of 30.0° with respect to the…

A: Given data as per question  angle = 300 speed at highest point  =  30m/s

Q: A water pipe having a 2.45 cm inside diameter carries water into the basement of a house at a speed…

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Q: As you drive down the road at 18 m/s, you press on the gas pedal and speed up with a uniform…

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Q: Last time now, with d = 2.95 m. You start the block on the track at ro the block from rest and let…

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Q: Which of the following are one of the special rays used in ray tracing?

A: 1. When the ray passes through centre of lens then it remains undeviated. 2. Ray parallel to optic…

Q: Part A An object with mass 3.8 kg is executing simple harmonic motion, attached to a spring with…

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Q: Which of the following does NOT use the photoelectric effect? O A digital camera. OA transistor. O A…

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Q: A block of mass m is launched obliquely in a parabolic path (points A, B, C, see Figure) and lands…

A: We need to answer whether change in energy in going from a point to another point is positive,…

Q: The 150-kg block is being pushed by a force P as shown. Determine the total reaction in Newtons. P=…

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Q: Match Column A with Column B. can be dented or scratched by harder samples A. Zinc selenium has a…

A: Can be dented or scratched by harder samples A. Zinc Selenium Has a refractive index of 2.4 C.…

Q: 12.9 A 20-kg package is at rest on an incline when a force P is applied to it. Determine the…

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Q: 39 – 40. What is the angle of reflection in mirror 2 if the angle of incidence in mirrorI which is…

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Q: A water pipe having a 2.49 cm inside diameter carries water into the basement of a house at a speed…

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Q: A ladder of length L = 2.7 m and mass m = 16 kg rests on a floor with coefficient of static friction…

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Q: 50-cm-long spring is suspended from the ceiling. A 410 g mass is connected to the end and held at…

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Q: A ball is thrown vertically upward from the ground with an initial velocity of 39.2 m/sec. If the…

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Q: 6. Calculate the moments of inertia I, I2, and I; for a homogeneous ellipsoid of mass M with axes'…

A: The equation of an elliposid is, x12/a2 + x22/b2 + x32/c2 =1 Equation of elliposid can be written in…

Q: e index of refraction for medium 2 in Figure 3a, assuming medium 1 is air and given the inc s 35.0°…

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Q: 5. Look at the following arrangement. At an airport, M kg of luggage is unloaded from a plane into…

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Q: A horizontal aluminum rod 3.9 cm in diameter projects 7.1 cm from a wall. A 1200 kg object is…

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Q: Two rocks are launched from the top of a cliff of a khown speed of vo and an angle 0 relative to the…

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Q: A certain star is 15.6 million light-years from Earth. The intensity of the light that reaches Earth…

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Q: 7. Determine the currents and voltages indicated in the circuit shown in Figure below. 2 22 42 60 V2…

A: Given:

Q: Figure friction less, Males puley string a mAss MALS 2 20°

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Q: Charmagne is driving along Marcos Hi-way at 22 m/s in her 1650 kg car. She slows down to 15 m/s when…

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Q: A current of 10A flows through a conductor and 10W is dissipated. What p.d. exists across the ends…

A: Given data:  Current (I) = 10 A Power (P) = 10 W Required: Potential difference (V)

Q: A 0.0185 Ω ammeter is placed in series with a 15.00 Ω resistor in a circuit. (b) Calculate the…

A: Given: rA=0.0185 ohmR=15.00 ohm

Q: OK, this is the last time for one of these crazy adventures. THIS time, though, there is a window in…

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Q: .5 s to uniformly accelerate to its final angular speed @2= 750 rad/s

A: GivenInitial angular velocity, ω1=350 rad/sFinal angular velocity, ω2=750 rad/sTime t=5.5 s

Q: (a) Define kinetic energy and gravitational potential energy. What is the Sl unit for energy? (b) A…

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Q: 2. The figure on the right shows an RL circuit which can be used to generate time-varying high…

A: RL is a series resistor and inductor circuit. When a dc voltage is applied to a circuit on its own,…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: