In Newton's Second Law F = ma; if we will double the force applied in the object while keeping the mass constant, what will happen to its acceleration?   acceleration will remain the same   acceleration will be doubled   acceleration will be halve

Q: A small electric immersion heater is used to heat 62 g of water for a cup of instant coffee. The…

A: Given data:  Mass (m) = 62 g = 0.062 kg Power (P) = 150 W Initial temperature (Ti) = 22°C Final…

Q: 12 10 v (m/s) 4 2 10 20 30 40 t (s) iii. 15-20 seconds i. 0-5 seconds ii. 5-15 seconds iv. 20-40…

A: From the graph , from time 5s to 15s , speed remains constant, as the graph remains parallel with x…

Q: The water passing over Victoria falls, located along the Zambezi River on the border of Zimbabwe and…

A: Height from which water falls, h=105 m g=9.81 m/s2

Q: 3: What is the equivalent resister of the network shown? A: 5 25L 22 В: 2 a С: 3 D: 6

A: Given data:  Three resistors are connected in series R1 = 1 Ω, R2 = 2 Ω and R3 = 2 Ω Required: The…

Q: In Newton's Second Law F = ma; if we will double the mass of the object while keeping the force…

A: Given data as per question maas is doubled and force is constant m1   =  0.350kg m2  =  0.350kg2 u1…

Q: 5)A diffraction grating with 600 lines / mm is used to observe the spectrum from an unknown element.…

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Q: When sugar is poured from the box into the sugar bowl, the rubbing of sugar grains creates a static…

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Q: Part A The 5.0-m-long rope in (Figure 1) hangs vertically from a tree right at the edge of a ravine.…

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Q: Part A 480 g peregrine falcon reaches a speed of 63 m/s in a rertical dive called a stoop. (Figure…

A: Given: The mass of the falcon is 480 g. The initial speed is 0 m/s. The final speed of the falcon is…

Q: Find the value of the current flowing through a capacitance 0.5 u F when connected to an AC source…

A: Write the given data. V=150 Vf=180π HzC=0.5×10-6 F

Q: wavelength. (b) At what angle (in degrees) from the central maximum does the second dark fringe…

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Q: A simple Atwood's machine remains motionless when equal masses M are placed on each end of the…

A: Given: The acceleration of the system is a. The free-body diagram of the system is given below.

Q: A heat engine operates at 48% of its maximum theoretical (Carnot) efficiency. If the temperature of…

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Q: An object is placed 0.31 inches in front of a concave mirror with radius of 1.0 inches. If the…

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Q: Mechanical energy is defined as the sum of both the potential energy and the kinetic energy of an…

A: Mechanical Energy= Kinetic energy + Potential energy now, PE decreases

Q: 4: What is the equivalent resister of the network shown? А: 1 В: 2 С: 3 D: 4

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Q: A uniform bridge span weighs 50.0x 10° N and is 40.0 m long. An automobile weighing 15.0 x10° N is…

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Q: A parallel plate capacitor is filled with polystyrene of 0.0002m thickness. Find the plate are if…

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Q: What is Law of Conservation of Mechanical Energy?

A: According to conservation of energy Total energy of isolated system remains constant.

Q: Hooke's law spring is compressed 18.0 cm from equilibrium and the potential energy stored is 72.0 J.…

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Q: Find the value of the capacitive reactance and current through a 100 µ F capacitor when connected to…

A: Given data:   Capacitance (C) = 100 μF = 100×10-6 F Voltage (V) = 24 V Frequency (f) = 50 Hz…

Q: arrangement of capacitors is made as shown in figure , with C1=15.1µF, C2=11.7µF, C3=17.1µF and…

A: Equivalent capacitance in series C = C1 + C2  Equivalent capacitance in series 1/C = 1/C1 + 1/C2

Q: 2. The angular velocity of the disk is defined by w (5te + 2) rad/s, where t in seconds. Determine…

A: Given, Radius of the disk = 0.8 m angular velocity of disk w = (5 t² + 2) rad/s magnitude of…

Q: The ideal gas in a Carnot engine extracts 800 J of heat energy during the isothermal expansion at…

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Q: As seen in the illustration, two automobiles travel one after the other. The orange automobile with…

A: Apply momentum conservation before and after collision. m1v1+m2v2=m1v1'+m2v2'

Q: A cylinder was dropped vertically from rest in a very high, evacuated tube near the surface of the…

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Q: A 240-kg object and a 540-kg object are separated by 4.10 m. (a) Find the magnitude of the net…

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Q: Select the correct answer. A fast car is out of control. Why is it safer to drive it into a haystack…

A: The reason is very simple, by driving it in the haystack, the time of contact with the obstacle i.e…

Q: rts have the same mass, what is the tension, T, in

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Q: 1. If field B is out of the page, then force is left what is the direction of the velocity? 2. If…

A: Using , F= q(v × B), we get- 1) downward. 2)out of the page

Q: Newton’s second principle states that: The acceleration of a particle is directly…

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Q: A car travelling at 4 m/s acceleration uniformly the car travels 150 meters in 26 seconds, Find the…

A: Given data:  Initial velocity (Vi) = 4 m/s Distance (d) = 150 m Time (t) = 26 s Required:…

Q: Duterte's wooden ball moves with a constant speed of 4 m/s around a circle of radius 0.25 m. What is…

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Q: A normal human heart, beating about once per second, creates a maximum 4.00 mV potential across…

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Q: The current through the inductor of an LC circuit oscillates at ω = (3.2 π x 103) rad/s. If the…

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Q: How much energy is required to move a 1400 kg object from the Earth's surface to an altitude twice…

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Q: A billiard ball is moving in the x-direction at 30.0 cm/s and strikes another billiard ball moving…

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Q: A force of 22 N is pulling two carts to the right on a frictionless surface. If both carts have the…

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Q: Part A.  Starting at rest. a 8 kg box slides down a frictionless incline that is 2 meteres tall.…

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Q: A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are…

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Q: Juleon leaves the top of a hill with an initial speed of 5.0 m/s. His speed at the bottom of the…

A: initial velocity,u=5 m/s Final velocity,v=13 m/s Let s be the height of hill.

Q: 1. Which of the following statements is always true? a) If an object is moving, an unbalanced force…

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Q: A clown carries two mylar balloons that rub against a circus elephant, causing the balloons to…

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Q: A car travelling at 4 m/s acceleration uniformly the car travels 150 meters in 26 seconds, Find the…

A: Given:  Initial velocity (Vi) = 4 m/s Distance traveled (d) = 150 m Time (t) = 26 s Required:…

Q: An object undergoing simple harmonic motion takes 0.23 s to travel from one point of zero velocity…

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Q: Three men pull on ropes attached to the top of a heavy object which is level with the ground. Man A…

A: The magntiude of the resultant horizontal force on the object F: The resultant horizontal force is…

Q: A 36.0 kg child takes a ride on a Ferris wheel that rotates four times each minute and has a…

A: GIVEN Angular speed is 4 rpm = 4/60 revs per second = 0.0667 rps, Diameter D = 21 m, radius r = 10.5…

Q: A simple pendulum is suspended from the ceiling by means of a string and has a length of 1.56 m…

A: Given Data:- Length of the pendulum is l=1.56 m Initial speed of the pendulum is v0=1.73 m/s…

Q: In an atwood's machine, one block has a mass of 1.3 kg and the other one has a mass of 2.8 kg. Solve…

A: Answer:- (d) = 3.58 m/s2 Given  Mass of block 1(m1) = 1.3 kg  Mass of block 2(m2) = 2.8 kg  The…

Q: At what pressure ratio does a Brayton cycle using a monatomic gas have an efficiency of 50%?

A: The efficiency of the ideal Brayton cycle isη=1-P1P2(γ-1)/γwhere γ is the ratio of specific heat…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!