ship being launched slides down the ways with a constant acceleration. She takes 4 sec to slide the first foot. How long will she take to slide down the ways if their lengthis 900 ft.?

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Q: A 1,300 kg car is capable of making a turn at a maximum speed of 15 m/s without spinning out.  If…

A: here m=1300 kg         v=15 m/sμ=0.6                   f=μNAnd       N=mg

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Q: If a long iron cable is 156 m long gets heated by 65 °C, find the change in length. α = 12 x 10-6/°C…

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Q: Problem. An object with mass m₁ = 7 kg moves on a level, frictionless table in a physics lab. It is…

A: Given,Mass of the object 1, m1 = 7 kgMass o the object 2, m2 = 12 kgPulley and table is…

Q: A positron and an electron can annihilate each other and form 3 gammas.  Two gammas are detected.…

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Q: Find gage(manometric) pressure p in Pascals if U-tube manometer fluid density Ro=1000 (kg/m3) and…

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Q: Two charged bodies exert a force of 86 N on each other. If they are moved so that they are 6 times…

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Q: Q21: Suppose three blocks are in contact with one another on a frictionless, horizontal surfa A…

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Q: Q1: What is energy and what are applications of energy Q2: What are classifications of energy? Q3:…

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Q: par plate capастот to be constructed which can store 12x10^-6C of charge when operated at 1200 V.…

A: Given value--- Charge = 12 × 10-6 C. voltage = 1200 V dielectric strength = 3 × 107 V/m. We have…

Q: What would happen to the voltmeter’s measurement if it is connected in series not parallel and why

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Q: A 2.0-g particle moving at 7.8 m/s makes a perfectly elastic head-on collision with a resting 1.0-g…

A: A) m1 = 2 g u1 = 7.8 m/sm2 = 1 g u2 = 0 m/s collision type = elastic

Q: In the figure below, both the ceiling and the ruler accelerate together at 1.6 m/s2 in the +y…

A: Given, Initial length = 0.20 cm  Final length = 0.23 cm  Change in length = 0.03 cm  Since the…

Q: We move the +Q and +4Q charges to be 3 times as far apart as they were; what is the magnitude of the…

A: Q1 = +Q Q2 =+4 Q  Coulomb's  Law  F=(KQ1 Q2 ) / d2

Q: What is the magnitude of the potential difference between points A and B on the circuit, while the…

A: Potential difference:- potential difference means the difference in the amount of energy that charge…

Q: 1. At witch Mach numbers it is suitable to consider that Air density p = constant? Revised Answer…

A: Mach number is the ratio of object speed to the speed of sound. If the speed of object is slower,…

Q: Describe the general principles and operation of Adaptive Cruise Control (ACC). (90 - 120 words)

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Q: a) What is the wavelength lambda (m) of green light having a frequency of 5.7 x 10^14 Hz. b).…

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Q: A moving electron with charge −e travels along the path shown, and passes through a region of…

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Q: A block of mass 3m can move without friction on a horizontal table. This block is attached to…

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Q: Derive and explain the Toricceli's Law.

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Q: The work done by kinetic friction can be. O Positive O Negative O zero Oany of the above

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Q: If the shear stress in steel exceeds about 4.00 x 108 N/m2, the steel ruptures. Determine the…

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Q: Draw the velocity vectors and acceleration vectors for the objects on the circle below. Make sure to…

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Q: R1 ww ww R6 R2 R4 R5 The battery has voltage of 127 V. R1 is 102, R2 is 322, R3 is 25, R4 is 10 22,…

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Q: Note: Your answers should be two significant figures (NOT in scientific notation) A jumper in the…

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Q: Q25: Consider the vectors shown. What is the dot product CD? A. (120 cos 78°) m² B. (120 cos 25°) m²…

A: writing vector C and D in component formC→=-12cos(25∘) x^-12sin(25∘) y^D→=-10sin(53∘) x^+10cos(53∘)…

Q: A solid, uniform disk of radius 0.250 m and mass 46.7 kg rolls down a ramp of length 4.10 m that…

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Q: A beam of X-rays is scattered by a target. At 45° from the beam direction the scattered X-rays have…

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Q: A circular ring of radius 27 cm and total charge 600 μC is centered at the origin as shown in the…

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Q: Please show your solution. Thank you! Compute for the density of palladium which crystallizes in an…

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Q: 0.50 kg toy car is on a circular table with a 1.9m radius. The car turns in a horizontal circle at 3…

A: Dear student,  "Since you have posted a question with multiple sub-parts, we will solve first three…

Q: Two point charges lie along the y-axis. A charge of q₁ = -9.5 μC is at y = 6.0 m, and a charge of q2…

A: q1 = -9.5 μC placed at y = 6m q2 = - 5 μC placed at y = -4 m distance between two charges (D) =…

Q: 2. After a perfectly inelastic collision between two objects of equal mass, each having initial…

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Q: operator What can we say about the lineal momentum? And what about the position? A particle is in…

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Q: A jogger travels a route that has two parts. The first is a displacement A of 1.90 km due south, and…

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Q: 7. a O R₂ Given E-12V, R₁-1002, R₂ = 150 and C=1uF. a) The switch S has been on position a for a…

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Q: The figure shows three uniform solid disks, each of mass 9.4 kg and radius 0.5 m rotating…

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Q: In these three circuits, all the batteries are identical and have negligible internal resistance,…

A: To rank all the light bulbs in order of brightness from brightest to dimmest.

Q: A block-and-tackle pulley hoist is suspended in a warehouse by ropes of lengths 2 m and 3 m. The…

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Q: A block of mass m = 3.59kg moves along the x-axis subject to a net force which depends on position.…

A: Solution :- Given , F→=(−3.92x−1.49x3)i^ N mass of block, m = 3.59 kg initial velocity at x = 0 ,…

Q: Two point-charges exert a 7 N force on each other. What will the force become if the distance…

A: suppose the two charges hava magnitude q1 and q2 respectively and they are seperated by a distance…

Q: Problem: A brick with mass m₁ = 10kg is placed on an inclined plane with slope angle 0-30 and is…

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Q: How many Joules of energy are needed to keep a 45 Watt ceiling fan working for six hours? (Hint:…

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Q: 3 = 3. A point is turning along the circular path with R 4 m, The covered distance depends on time…

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Q: A 2 kg mass is spun on a string in a horizontal circular path at a constant speed. Draw a FBD of the…

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Q: DYNAMICS OF RIGID BODIES (RECTILINEAR MOTION WITH CONSTANT ACCELERATION) A car starting from rest…

A: Given value--- initial velocity = 0m/s. acceleration = 0.4 m/s2.  time = 20 s. We have to find---…

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –