Suppose a block of mass 25.0kg rests on a horizontal plane, and the coefficient of static friction between the surfaces is 0.220. (a) What is the maximum possible static frictional force that could act on the block?_____N (b)What is the actual static frictional force that acts on the block if an external force of 25.0N acts horizontally on the block?_____N

Q: If we make an object shadow on the wall, it will appear some shadows. The picture shows the wave pro...

A: Light from the edge of material is subjected to diffraction

Q: Which of the statements below most accurately describes the current running in the following circuit...

A:

Q: A 2.0 kg box is raised from rest a distance of 5.0 m by a vertical force of 130 N. Find the work do...

A: Given data:  Mass (m) = 2.0 kg Height (h) = 5.0 m Force (F) = 130 N Required: Work done (W) 

Q: You are trying to thaw some vegetables that are at a temperature of 1°F. To thaw them safely, you ne...

A: The initial temperature of the vegetables is T0=1°F. The ambient temperature of the refrigerator is ...

Q: 3. If it takes 2 seconds to raise an 8 kg block a vertica height of 1 m, what is the power expended?

A: Given: The mass of the object is 8 kg. The vertical height of the object is 1 m. The time interval i...

Q: Find the time when the rock is 4.00 m below where it left your hand. Express your answer with the ap...

A:

Q: Consider the circuit shown in the figure below. (Let R = 28.0 .) 25.0 V 10.0 N 10.0 N a b. 5.00 N 5....

A: According to question we need to find --- current across 28 ohm ?

Q: An unidentified flying object (UFO) is observed to travel a total distance of 23000 m, starting and ...

A:

Q: Which of the following is TRUE of the gravitational force between two massive objects? A, Always a ...

A: In this question we have to select the correct statement. Please give positive feedback if the answe...

Q: Rex Things throws his mother's crystal vase vertically upwards with a mass of 50.7 kg, compute for t...

A: Given: Mass of the vase, m = 50.7 kg Drag coefficient, cd = 20.5 kg/s

Q: Electric Potential Energy, Electric Potential, and Potential Difference 1. A test charge q = 2.0 × 1...

A:

Q: JC-21) Planck's Constant from Data When sodium metal is illuminated with light of wavelength is chan...

A: To solve this problem we will use Einstein's photoelectric equation. This equation will provide a re...

Q: A ball with a mass of 5kg falls off a 9.9m high cliff.  How much kinetic energy does it have at the ...

A: M= 5kg  H= 9.9m 

Q: A ball is fired from 20 degrees above the horizon at a speed 40 m/s. How far does the ball travel be...

A:

Q: JC-22) Double Slit Experiment Light of 600.0 nm wavelength is used to perform a double slit experime...

A: wavelength of light = 600 nm distance between bright fringes (β) = 1.8 mm Let the distance between t...

Q: The figure below shows the equipotential surfaces of a parallel plate capacitor. If a positive charg...

A:

Q: 5. When perspiration on the human body absorbs heat, some of the perspiration turns into water vapor...

A:

Q: Consider a pure semiconductor material of silicon. At 300 K, the electron concentration in the condu...

A: np=Nc(T)Nv(T)e-EgkT

Q: A high-wire artist ascends to a platform by walking 205 feet on an inclined wire that makes an angle...

A:

Q: a man who walks 25.0meters East, 75.0meters North, and 10.0meters, 350Northwest. What is the percent...

A: Presents the solution to a problem that is similar to this one. Find the percent difference resultan...

Q: A car is moving on a straight road at 8 m/s it is acceleration at 6 m/s what will be its velocity af...

A: Given data :              Initial velocity = U               Acceleration = a                Time = ...

Q: Solve the problem. You are buying carpet to cover a room that measures 38 ft by 40 ft. The carpet c...

A: we have givenCarpet measures = 38 ft by 40 ft 

Q: A freely rotating satellite leaves the cargo bay of the space shuttle. The satellite makes 2 complet...

A:

Q: A bus travels in a straight line along highway road. Its acceleration a from a toll gate is given as...

A: According to question we need to find --- velocity at 5 second?

Q: ANOTHER A nonconducting wall carries charge with a uniform density of 8.65 µC/cm2. (a) What is the e...

A: Given  Charge density of the wall (σ) =8.65μC/cm2 Distance is small as compared to the dimensions of...

Q: If a barchall ie thrawn at 7om/s and what force 1X 0.60 Ra to maer j itx ditrection chunge neceas

A: acceleration (a) = 170m/s2 Mass (m) = 0.6kg 

Q: The kinetic energy of gas molecules is zero at _______?

A: According to question we need to find--- The kinetic energy of gas molecules is zero at _______?

Q: An average human heart beats 60 times per minute. If the average person lives to the age of 86, how ...

A: Human heart beats = 60 times per minute Age of human = 86 To find: No. of times heart beats in his l...

Q: If vector B is added to vector Ā , the result is 5î-î. If B is subtracted from À , the results is î+...

A:

Q: 5. Find the volume of 0.85 moles of gas at pressure of 520torr and a temperature of 15°C. (1atm = 76...

A: Part (5): Given: The number of the moles is 0.85 moles. The pressure of the gas is 520 torr. The tem...

Q: The figure below shows a rod with two masses, M, and two masses, 2 M, spaced at equal 1 m intervals ...

A: Given, two masses: M, and another two masses: 2M. Each of the masses are separated by r = 1 m. To fi...

Q: VI. Test your understanding: The figure below shows a rope on a smooth floor with a knot at point A....

A: 1) The commotion is shifting to the right. As a result, point A will shift higher in the next frame....

Q: An airplane flies with a velocity of 55.0 m/s [ 35o N of W] with respect to the air (this is known a...

A:

Q: A "sound" like a musical note exists A. in the oscillating air molecules B. only in the brain of the...

A: Correct option is  (c) i e in the oscillating object that creates the sound wave. 

Q: A 3500 g car enters a curve with a radius of 45 cm. If the car is moving at a speed of 25 m/s, what ...

A: Centripetal force =mv2R

Q: A soccer ball is kicked with an initial horizontal velocity of 18 m/s and an initial vertical veloci...

A: Given : Ux = 18 m/s Uy = 13 m/s

Q: A car accelerates from 75 km/h to 115km/h in 5 seconds to overtake a lorry. Calculate the accelerati...

A: Car accelerates from 75kmph to 115kmph in 5sec 

Q: Why is it important for people to study and learn about STS (Science, technology and society) as an ...

A:   1.Science and technology play an important role in today's society. Science enables us to get a be...

Q: The fishing pole in the figure below makes an angle of 20.0° with the horizontal. What is the magnit...

A: Given force F=102N and force applied at point L =1.99m We have to find the torque.

Q: A rocket with a mass of 4,000 kg has an engine that exerts a force of 40,000 N. What is the rocket's...

A: Given in question - Mass of rocket (M) = 4,000 kg                                   Thrust force(FT)...

Q: Charge A with value q = 2.4e-06 C is placed at position x = 0, y = 2.5 (units in meters), and charge...

A: q1= 2.4 × 10-6 C at (0,2.5) m  q2= -1.2 × 10-6 at ( -0.5, -2.9) m  Test charge is at (2.4, 1.8)  E=k...

Q: A pot is filled with 9kg of water at 10 °C. Calculate how much heat energy would be needed to raise ...

A:

Q: At time t = 0 s, a motor begins to move a small elevator of mass 117 kg by unreeling a cable. The po...

A:

Q: If you toss a ball upward with an initial speed v = 2m/s, it reaches a max height h without air resi...

A: Given data:  Original initial velocity (v) = 2 m/s, vertically upward  Maximum height = h New maximu...

Q: A. Tools and Materials 1. Lamp with resistance 10.8 ohm and 9 ohm 2. Cable 3. Power Supply 4. Multim...

A:

Q: Identify type of mirror (plane, convex, or concave) 1. Store security mirror 2. Car rear view mirror...

A: Concept Plane mirror from virtual and erect image of same size. Convex mirror always form virtual, e...

Q: A car wheel 30 cm in radius is turning at a rate of 8.0 rev/s when the car begins to slow uniformly ...

A: In linear motion v2-u2=2aS where v is the final velocity, u is the initial velocity, a is accelerati...

Q: On a recent trip, Jan travelled 260 miles using 8 gallons of gas. What was the car's miles per gallo...

A:

Q: Problem 9: A 10,000-m runner competing on a 400-m track crosses the finish line after completing a r...

A:

Q: Three forces act on a point: 3 N at E, 4 N at N°, and 5 N at 30° at S of W. What is the net force, d...

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: