1.What will be the final velocity of an object having a mass of 12 kg if it moves by 12 meters while applying a force of 50 N? I

Q: skateboarder starts at point A in Figure 8–27 and rises to a height of 2.64 m above the top of the…

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Q: A cart is loaded with a brick and pulled at constant speed along an inclined plane to the height of…

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Q: ent of inertia of 16 kg m². As it turns through 2.0 rev, its angular velocity increases from 7.0…

A: Angular acceleration of the wheel is    alpha  = ( 81 ) - ( 49 ) / 2 ( 2 pi )  = 2.54 rad/s^2

Q: A double-convex thin lens is made of glass with an index of refraction of 1.56. The radii of…

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Q: When played in a certain manner, the lowest resonant frequency of a certain violin string is 410 Hz.…

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Q: A wave on a string has a under a tension of 40 N. speed, v', if the tension i N? O v' = 12 m/s O v'…

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Q: A microwave beam with a wavelength of 1.5 cm has an intensity of 28 W/m². Part A What is the…

A: Given Intensity (I) = 28 W/m2wavelength (λ) =1.5 cm

Q: A football punter kicks a football with a velocity of 22.0 m/s at 35.0 degrees from the horizontal.…

A: Given,  Velocity = 22 m/sec Angle of projection= 35° We need to find,  (a) Determine the initial…

Q: alculate the minimum passing sight distance required for a two-lane rural roadway at has a posted…

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Q: A 1.09-kg block of ice is initially at a temperature of -5.0 °C. ▼ Part A #f4.0 x 105 J of thermal…

A: The thermal energy needed to raise the temperature of a substance in the same phase  Q = m ⋅ C ⋅ Δ T…

Q: To compress spring 1 by 0.20m takes 150 J of work. Stretching spring 2 by 0.30m requires 210J of…

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Q: At t = 0, the bob of a simple pendulum is displaced to the right by an angle e_0 = +0_max/√2 and is…

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Q: A space station consists of two donut-shaped living chambers, A and B, that have the radii shown in…

A: The circumference of the circle is defined as the total distance around the circle. When we consider…

Q: Expectant parents are thrilled to hear their unborn baby's heartbeat, revealed by an ultrasonic…

A: (a) The maximum speed of the heart is,  Vmax = Aω  = ( 1.79×10-3 mm ) ( 2π × 123/60)  = 0.023 m/s

Q: 22. Using Newton's Law of Gravitation, what would happen to the magnitude of a force between two…

A: Isaac Newton proposed the Law of Gravitation in his book Principia. According to this law, everybody…

Q: A youngster rides on a skateboard with a speed of 2m/s. After a force acts on the youngster, her…

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Q: In order to keep a leaking ship from sinking, it is necessary to pump 12.0 Ib of water each second…

A: The given data we have: Mass of water required to be pumped: 12.0lb= 5.44 kg Height up to which the…

Q: a) Suppose that the width and radius of curvature of a Gaussian beam of wavelength λ= 532 nm, at…

A: Given :    Wavelength, λ = 532 nm = 1×10-9 m    Beam width, W1 = 1 mm = 1×10-3 m    Radius, R1 = 1 m…

Q: An 8.0-cm radius disk with a moment of inertia of 0.12 kg-m² is free to rotate on a horizontal axis.…

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Q: 11. What is the kinetic energy of the crate as it slides on the upper surface? 30 J A) B) 80 J C)…

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Q: A gas bottle contains 4.64x10 Hydrogen molecules at a temperature of 384.0 K. What is the thermal…

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Q: Two stars have an angular separation of 8.50 ✕ 10−8 rad when viewed in the night sky from Earth.…

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Q: The critical angle for an air-glass interface is  29.4°. When a light ray in air is incident on the…

A: Given,  Critical angle = 29.4° We need to find The angle of refraction =?

Q: 5. A certain string just breaks when it is under 25 N of tension. A boy uses this string to whirl a…

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Q: A 800 kg cart is rolling to the right at 1.10 m/s. A kg man is standing on the right end of the 70.0…

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Q: It is estimated that about 40.0 m² of solar panel is needed to provide electricity for an average…

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Q: A bag of trash is thrown horizontally from the top of a 4.5-m building. How long was its flight? If…

A: Given data:  A bag is thrown horizontally Height of building (h) = 4.5 m Initial horizontal velocity…

Q: 1. A tow rope, parallel to the water, pulls a water skier directly behind the boat with constant…

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Q: A 12 000-N shark is supported by a rope attached to a 4.60-m rod that can pivot at the base. (a)…

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Q: The max displacement from the equilibrium of any oscillator can be doubled by doubling? a. Only the…

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Q: A solid sphere starts from rest and rolls down a slope that is 6.4 m long. If its speed at the…

A: Let h be the height of the slope. Then decrease in potential energy = increase in kinetic energy. or…

Q: Two children push on opposite sides of a door during play. Both push horizontally and perpendicular…

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Q: A 40. kg block is placed on a ramp inclined thirty degrees to the horizontal as seen in the figure…

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Q: A wave on a string has a speed of v = 3 m/s under a tension 40 N. What is the new speed, v', if the…

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Q: When Skylab reentered the Earth's atmosphere on July 11, 1979, it broke into a myriad of pieces. One…

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Q: Radio waves from a star, of wavelength 274 m, reach a radio telescope by two separate paths, as…

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Q: What is the net force, in Newtons, on an object that experiences the following horizontal forces?…

A: Given data:  An object experiences the horizontal forces -13N, 10 N, - 1N, 11 N, -18Nand - 5N…

Q: A double-convex thin lens is made of glass with an index of refraction of 1.55. The radii of…

A: Given,  index of refraction =1.55 One glass radius = 57cm Secone glass radius = - 75cm We need to…

Q: 1. The position of the particle is given by s = (9t^3 – 6t^2 – 32t + 16) meters, where t is in…

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Q: A diatomic molecule can be modeled as two point masses, m1 and m2, slightly separated. If the…

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Q: A grindstone of radius 4.0 m is initially spinning with an angular speed of 8.0 rad/s. The angular…

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Q: The 5-lb collar C fits closely to the smooth shaft. The spring is unstretched when s=0 and its…

A: Given: Mass of collar, m = 5 lb Stiffness  of the spring, k = 1 lb/ft Initial velocity of the…

Q: The initial angular velocity and the angular acceleration of four rotating objects at the same…

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Q: 15⁰ TT You are on a swing that consists of a seat at the end of a 2.0 m rope. Your friend pulls you…

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Q: You are holding a 500-g dark chocolate bar, and then the chocolate starts to melt at 45OC. What is…

A: Given data:  Mass (m) = 500 g = 0.500 kg Temperature (T) = 45°C Latent heat of fusion of chocolate…

Q: A 40 g ball rolls around a 50 cm -diameter L-shaped track, shown in the figure, (Figure 1)at 60 rpm.…

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Q: 2. (a 5) What is the reactance of a 6.20-F capacitor at a frequency of 60.0 Hz? (b 5) What is the…

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Q: What is the final velocity of a car originally traveling at 50.0 km/h that decelerates at a rate of…

A: Givenu=50 km/hr     or    13.89 m/sa=-0.400 m/s2t=50 si will use v=u+at

Q: Calculate the angle of refraction at the air/core interface, r . critical angle, c and incident…

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Q: 4. (a 5) Power stations are normally far away from the customers. A transformer is often used to…

A: Given that- 5. (a) A TRANSFORMER TO DETERMINE THAT why do we use to high voltage to transmit the…