Initially, a warehouse worker pushes a 55 [N] box on a flat, rough, horizontal surface just enough so that the box moves with a constant velocity of 4.2 [m/s]. However, he gets tired and suddenly stops pushing the box. With the coefficient of kinetic friction between the box and the surface equal to 0.45, how long does it take for the box to stop? A. 0.95 [s] B. 2.1 [s] C. 4.4 [s] D. 9.3 [s

Q: 6. A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10 -6 meters squared is found…

A: This question is based on Current Electricity topic.  The resistance of a conductor is given by the…

Q: 2A 3.5 kg mass slides from a height of 2.7 m down a frictionless ramp into a spring. The spring…

A: Note:- You have posted multiple questions. As per Bartleby guidelines, I will solve only first…

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: A long, straight wire carrying a current of 344 A is placed in a uniform magnetic field that has a…

A:

Q: 1. A Christmas light hangs on a series of strings as shown in the figure 1. The tension on string a…

A: The tension on string a is given by Ta=0.48 N and we have another string b attached to it which is…

Q: A spring has a natural length of 12 cm. A force of 600 dynes compresses the spring to 10 cm. Find…

A: Your answer is option (b). 1350ergs

Q: The sound waves travel with speed of 564 m/s. If is wavelength is 7 cm. Find the frequency of wave ?

A: Given data:  Speed (v) = 564 m/s Wavelength (λ) = 7 cm = 0.07 m Required: Frequency (f)

Q: A motor boat moves at a steady speed of 6 m/s. Water - resistance acting on it is 4370 N. Calculate…

A:

Q: car is undergoing a crash test to determine its condition following a severe accident. The vehicle…

A: car is undergoing a crash test to determine its condition following a severe accident. The vehicle…

Q: A 0.84-kg air cart is attached to the end of a spring and allowed to oscillate.  Its displacement…

A:

Q: A spring needs a force of 4 N to compress it 48 cm.  How much work is required to stretch the spring…

A: Write the given values with the suitable variables. F=4 Nx1=48 cm=0.48 mx2=29 cm=0.29 m Here, F is…

Q: What is the largest wave on Earth? What is its wavelength, frequency, and period?

A: Question: What is the largest wave on Earth? What is its wavelength, frequency, and period?

Q: A hollow ball is released from rest at the top of it starts from a fast will it be m oving When it…

A:

Q: An ambulance with a siren emitting a whine at 1580 Hz overtakes and passes a cyclist pedaling a bike…

A:

Q: a submarine is moving toward another submarine at 9.20 m/s. It emits a 3.50-MHz ultrasound. What…

A: Given, Source Velocity=9.20m/s Frequency=3.50Hz Velocity of sound=1482Hz

Q: AMZN. A billionaire (with mass m and weight w at the surface of the earth) went into outer space…

A:

Q: The Sl unit for electric field is? What's the correct answer?

A:

Q: Q2) Find the value of the capacitive reactance and current through a 100 µ F capacitor when…

A:

Q: Three identical rods are each acted on by two or more forces, all perpendicular to the rod and equal…

A: Your answer is (b) only 3

Q: Assuming that the youngs modulus of spider ilk is 8.4x10^9 pascals. If the spider silk a radius of…

A:

Q: Part A The two ropes seen in (Figure 1) are used to lower a 255 kg piano exactly 8 m from a…

A:

Q: Select the correct answer. When a ball hits a vertical wall, what happens to the components of…

A: Here the linear momentum of the ball in the x direction will remain conserved and change in the y…

Q: 12. A 10 N block of wood placed on top of an inclined plane encounters a 1.5 N frictional force. The…

A:

Q: I1. PROBLEM SOLVING Determine what is asked. Write your solution(s). 1. Calculate the resistance of…

A: Given   The length of copper wire ( l  )  300 m 10 mm Diameter and circular cross section The length…

Q: Organ pipe A, with both ends open, has a fundamental frequency of 340 Hz. The third harmonic of…

A: open orgon pipe antinodes are formed at both end while in closed orgon pipe nodes produced at…

Q: n iron object of density 7870 kg/cm3 appears 13 Vhat is the volume of the object?

A: GivenAn iron object of density 7870 kg/cm3 appears 134 N lighter in water than in air

Q: An object is moving along the x-axis. At t = 0 it is at x = 0. Its x-component of velocity u, as a…

A:

Q: A series RLC circuit has a resonant frequency of 7.94 kHz. When it is driven at 11.4 kHz, it has an…

A:

Q: he block does NOT slip while resting on the circular surface?

A:

Q: Monochromatic light at 551 nm illuminates a diffraction grating with 315 lines/mm. Determine the…

A:

Q: A 71-kg man is in an elevator. Calculate the normal force on his feet (his apparent weight) if the…

A: Given  Mass of a man = 71 kg elevator is accelerating at 3.0 m/s2 [down] We have to Calculate the…

Q: an object with a mass of 5.0 kg accelerates 8.0 m/s^2 when an unknown force is applied to it. what…

A: From Newton 2nd law we know,  Force(F) = mass(m) × acceleration(a)

Q: AMZN. A billionaire (with mass m and weight w at the surface of the earth) went into outer space…

A: We have a man whose mass is m and whose weight is w. The weight of the man on the surface of the…

Q: A charge of +80 μC is placed on the x - axis at x = 0. A second charge of - 50 μC is placed on the…

A:

Q: A 0.446 kg body undergoes simple harmonic motion of amplitude 9.37 cm and period 0.250 s. (a) What…

A:

Q: How much heat is required to raise the temperature of a 225-g lead ball from 15.0°C to 25.0°C? The…

A: Given : m = 225 g = 0.225 kg To = 15°C T = 25°C c = 128 J/kg.K

Q: What length of wire will experience 12 N force within a magnetic field of 2.5 Hl while car- rying…

A:

Q: Vector A is 5.0 m, 68° S of W. What is-0.5A? O 2.5 m, 68 deg S of W O -2.5 m, 68 deg S of W O -2.5…

A:

Q: Consider the isothermal expansion of a 1.5 mole of monoatomic gas from a pressure of 1 atm to 0.45…

A:

Q: The voltage across an inductor is 4.0 x 10-6 V when the current through it decreased at a rate of…

A:

Q: Newton's Law Law. Which of the following scenarios demonstrates Newton's 2nd Law? O A cyclist is…

A: The correct answer is third option.

Q: The hydrogen spectrum has a red line at 656 nm and a violet line at 434 nm. What angular separation…

A:

Q: 12–158. An airplane is flying in a straight line with a velocity of 200 mi/h and an acceleration of…

A:

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

A: Given data : Distance=S Time=t Initial velocity=U   Required : Acceleration

Q: An isolated conducting sphere whose radius R is 5.87 cm has a charge of q = 21.7 nC. How much…

A: Write the given values with the suitable variables. r=5.87 cm=5.87×10-2 mq=21.7 nC=21.7×10-9 C Here,…

Q: QUESTION 8 A projectile of m- 76.0-g traveling at 342- m/s hits a hanging mass Mand imbeds into it.…

A: In this question we are given with a projectile and we have to answer some questions related to it.…

Q: need asap pls ty Amor uses her laptop uses 2.0 A of current when it is plugged into a 220 V outlet.…

A:

Q: The power output of a car engine running at 2300 rpmrpm is 300 kW . (a) How much work is done per…

A: 300kw is equal to 300kj/s

Q: A motor boat moves at a steady speed of 6 m/s. Water - resistance acting on it is 4370 N. Calculate…

A: Given data: Velocity, v=6 m/s Force, F=4370 N Our question is to find the power.

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.