A tired worker pushes a heavy (100-kg) crate that is resting on a thick pile carpet. The coefficients of static and kinetic friction are 0.6 and 0.4, respectively. The worker pushes with a force of 600 N. The frictional force exerted by the surface is aproximatly

Q: A playground is on the flat roof of a city school, 5.5 m above the street below (see figure). The…

A: Height of roof (H) = 5.5 m height of vertical wall (h) = 6.8 m Angle of launch (θ) = 53 degree…

Q: If a power company charges about 10 e per kilowatt-hour, how much would this energy cost per day if…

A: Tha charge: The energy:

Q: A golfer is trying to hit their ball over a 28 m tree. The ball leaves their club at an angle of 23°…

A: Solution: Given: h = height of the tree = 28 m θ = angle of projection of ball = 23o v = minimum…

Q: As a ball falls under the influence of gravity, does gravity do positive work or negative work?…

A:

Q: 56. An ac source of voltage amplitude 100 V and frequency 1.0 kHz drives an RLC series circuit with…

A: GIVEN : Frequency =1.0 kHz R=20ΩL=4.0 mHC=50μF V=100 V (a) RMS CURRENT : Irms=VrmsZ where Z is…

Q: An object is placed 25 cm in front of a converging lens of focal length 20 cm. 30 cm past the first…

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Q: A slight earth tremor causes a large boulder to break free and start rolling down the mountainside…

A: Acceleration is the rate at which velocity changes with time. a = dv/dt = (v-u)/dt v = u + a×dt…

Q: Can you show me the conversions for this question, of how you got 33.56 hours?

A: 31479714.567feets divided by , 1,088 feets per second is ,  31479714.567feets1,088 feets per second…

Q: N vs. TIME graph below, click on the spot where the VELOCITY IS ZERO (the arrow will be placed where…

A: Introduction: When the body does not gets displaced with time, the velocity is said to be zero. So,…

Q: 1. A rectangular loop carrying M A of current is placed on the z=0 plane as shown in Fig.1. [M is…

A: The current in the wire: I=MA= 6 AWe need to determine the H field at a) (2,4,0) b) (3,2,0) c)…

Q: A student is measuring the quality of industrial grease as it ages. To keep the measurement simple,…

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Q: Problem 5: 45 40 30 Figure 1. The red points from 1 to 15 show the successive locations of a puck at…

A: Given:

Q: Pls help ASAP. Pls show all work and calculations and include units for final answers.

A: In this question answer is given below. It is helpful for you ?

Q: A ray of light strikes a flat glass block at an incidence angle of 8₁ = 39.8°. The glass is 2.00 cm…

A: Given:Angle of incidence at which the ray enters the glass block: θ1=39.8°Angle of refraction that…

Q: A particle of mass 25 kg, originally at rest, is subjected to a force of 50 N for 10 seconds. Find…

A: For Distance calculation we need to apply second equation of motion.The time is given, initial…

Q: Flying Circus of Physics Traffic shock wave. An abrupt slowdown in concentrated traffic can travel…

A: Speed of faster cars (): 27.0 m/sSpeed of slower cars (): 5.30 m/sThe length added by each faster…

Q: If you were trying to knock someone over by throwing a ball of mass m and speed v at them, should…

A: "Since you have posted multiple questions we will solve only one for you. If you want to a…

Q: Assessment/Homework: 1. Explain why during the summer months, static cling in clothes is generally…

A: Stray electrons build up in the atmosphere and some are negatively charged, while some  are…

Q: The blades of a wind turbine are 40 m in length and rotate at a maximum rotation rate of 13 rev/min.…

A: a) Write the expression for the moment of inertia of the rod. Write the expression for the angular…

Q: its not 2.42

A:

Q: Pls help ASAP. Pls show all work and calculations and include units for final answers.

A: Hey dear this question is related with equilibrium of forces along x and y directions. Have a look

Q: The weight of a bouquet of flowers can be expressed as 3.4x104 mg. If a daisy in the bouquet weighs…

A: Let the weight of the entire bouquet be W. W=3.4×104 mg Let the weight of a small single be denoted…

Q: 5. A block weighing 10.0 newtons is on a ramp inclined at 30.0° to the horizontal. A 3.0-newton…

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Q: A force of constant magnitude pushes a box up a vertical surface, as shown in the figure. The box…

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Q: A very large nonconducting plate lying in the xy-plane carries a charge per unit area of 9a. A…

A: