A boat can move at 30.0 km/h in still water. How long will it take to move 12 km downstream in a river flowing 6.0 km/h? (20 min) V A ship is moving at a speed of 56 km/h. One second later, it is moving at 58 km/h. What is its acceleration in m/s. (0.555 m s-2)

Q: A 45.0 kg skater is skating down a hill on roller blades at à špêed of m/s. What is the kinetic…

A: Given data : Speed=V Mass=m   To find : Kinetic energy of skater

Q: Problem 26.36 When laser light of wavelength 632.0 nm passes through a diffraction grating, the…

A: Given:  In this question, the given details are, When laser light of wavelength 632.0 nm passes…

Q: A solid cylinder of mass 4.9 kg and radius 4.8 cm rolls down an inclined plane of height 7.4 cm…

A: Speed of the center of mass. From conservation of energy

Q: e wavelength

A: Given:- ħ (Planck's constant / 2π) = 1.0545718 × 10⁻³⁴ J·s- Effective mass (m) = 0.19 m₀ (where m₀…

Q: I just need help solving H and I

A: We will find the minimum and maximum temperatures.  The efficiency of Carnot engine is given as…

Q: 33. M CHALK MMH A car is traveling at 20.0 m/s, and the driver sees a traffic light turn red. After…

A:

Q: Suppose you stand with one foot on ceramic flooring and one on a wool carpet, making contact over an…

A:

Q: Mk=0.7. 10 kg TIR A 10-kg box is at sliding to the right on the floor. A rope is attached to the box…

A: mass of box = m = 10 kg co efficient of friction = 0.7 acceleration = a = 6 m/s2

Q: Problem 2: A 50 gram ball 1s thrown against a wall at 5 m/s. A The ball hits the wall and then…

A: Consider the ball is thrown to the right (positive) or moving towards is positive  and rebounds to…

Q: Two wires are tied to the 300 g sphere shown in (Figure 1). The sphere revolves in a horizontal…

A: Given  mass of sphere=0.3 kg speed of sphere =8.3 m/s

Q: A wheel rotates through an angle of 13.8 rad as it slows down uniformly from 22.0 rad/s to 13.5…

A:

Q: If the jet comes to rest in 13.0 s, what is the magnitude of its average acceleration? Express your…

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Q: An astronaut drops a marble on the surface of the airless Planet Z-49 and observes that it takes…

A: Using kinematic equation, h = v0*t+1/2*g*t∧2 2 = 0*t+1/2*g*1.02∧2 g = 4/1.02∧2    = 3.845m/s∧2

Q: At t=0, an object moves with an (a) Determine the magnitude of t 40 ✔ m/s² (b) Determine the…

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Q: A charge q = 2.3 µC is placed at the point P shown below. What is the force on q (in N)? (Assume the…

A: Given that,Charge q1 = 1.7 (μC)Charge q2 = -3.7 (μC)Charge q = 2.3 (μC)Distance between charge q1…

Q: A 2.40-m-long wire having a mass of 0.100 kg is fixed at both ends. The tension in the wire is…

A:

Q: In the approximation A « 1, Fermi-Dirac and Bose-Einstein statistics both tend to Maxwell-Boltzmann…

A: The maxwell  boltzmann   distribution  law holds for classical particles while the fermi dirac and…

Q: A tennis ball is tossed vertically upwards and travels a distance of 6.5 m in 1.2 seconds. What was…

A: Given that,Distance : d = 6.5 (m)Time : t = 1.2 (sec)Acceleration : a = -g = -9.8 (m/sec2)Here we…

Q: An electric motor lifts a mass of 500 kg from the ground to a height of 30 m in 1.5 minutes.…

A:

Q: Two concentric circular wire loops of radi r = 12 cm and r 24 cm are located in an xy plane, as…

A: The magnetic field due to a current carrying circular loop at the centre of the loop is given by the…