A 4.8 kg box has an acceleration of 2.5 m/s² when it is pulled by a horizontal force across a surface with u, = 0.50. Find the work done over a distance of 22 cm b the following forces. (Enter your answers in joules.) (a) the horizontal force 2.64 X J (b) the frictional force -5.18 (c) the net work |-1.54 (d) What is the change in kinetic energy of the box? 1.54

Q: The density of electrons increases along the coordinates of a metal according to the relationship n ...

A:

Q: The equation describing horizontal motion of the mass m attached to a spring is given by: x=6cos(7t+...

A:

Q: Accuracy of the experiment is given by which error calculation, percent error or percent difference?

A: Error : In Physics, an error is defined as the difference between the actual value and the calculate...

Q: A gold crown weighs 40 N when in air. What will it weigh when suspended (a) in water and (b) in ethy...

A:

Q: Electron and proton are placed at two different locations (one charge at each location). The locatio...

A: Electric potential is potential energy per unit positive charge.

Q: The emf devices and lightbulbs in the figure below are identical. The terminal potential of the emf ...

A:

Q: A 45.0°

A: Free body diagram of the given system,

Q: A uniform solid cylindrical log begins rolling without slipping down a ramp that rises 28.0° above t...

A: Given Data: The angle of the ramp above the horizontal is: θ=28.0° The distance covered by the cylin...

Q: A 0.35 kg baseball is dropped from the rest from a height of 3.85 m. How fast will it travel just be...

A:

Q: For her electronics class, Gabriella configures a circuit as shown in the figure. Find the following...

A: a) Draw the circuit diagram. Calculate the equivalent capacitance.

Q: A block witha mass of 4 kg is pulled across a horizontal surface at constant speed by a horizontally...

A:

Q: Your friend reasons that magenta and yellow paint mixed together will produce red because magenta is...

A: Your friend reasons that magenta and yellow paint mixed together will produce red because magenta is...

Q: Three point masses are placed at the corners of a triangle as shown in the figure below. Find the c...

A:

Q: Starting in Albany, you travel a distance 108 miles in a direction 12.0 degrees north of west. Then,...

A:

Q: A tourist drops a rock from rest from a guard rail overlooking a valley. What is the velocity of the...

A: 1) Initial velocity (u) = 0 mst = 4 seconds   

Q: A supersonic plane is flying at Mach 5 at an altitude of 8km where the speed of sound is 320m/s. How...

A: Given: match no M =5 altitude h =8km = 8000 m speed of sound v = 320 m/s

Q: What is the tension (in N) in the rope?

A: The tension in the rope is 7.84 N.

Q: What are the magnitude and direction of the force exerted on a 4.09 µC charge by a 213 N/C electric ...

A:

Q: Velocity is 30 m/s and mass is 60 kg. What is  kinetic energy.

A: Dear student The kinetic energy is defined as : K = 1/2 mv2

Q: Two circuits made up of identical ideal emf devices (8Ɛ = 1.71 V) and resistors (R = 36.2 N) are sho...

A: "Since you have posted a question with multiple sub-parts, we will solve first three subparts for yo...

Q: 2. Two thin partially silvered glass plates are rigidly joined at an angle 45°. The structure is pla...

A: From the first surface the incident light is in -y and reflected light in -x direction . So change o...

Q: Three charged marbles are glued to a nonconducting surface and are placed in the diagram as shown. T...

A:

Q: beam of light is incident from air on the surface of a liquid. If the angle of incidence is 37.0° an...

A: Given: The angle of incident is 37o. The angle of refraction is 21.3o.  

Q: The figure below shows a family of parallel equipotential surfaces ( in cross section) and five path...

A:

Q: a. If a charge of magnitude 6.5 x 10"C is being held in place 2 x 10° m from a charge of -8 x 101 C ...

A: The electric potential energy between two charge is define as                              U  = 14π ...

Q: (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 28.2 m. Assume...

A:

Q: The value of the acceleration of gravity, g, increases wit e. If a pendulum is taken from the equato...

A:

Q: The maximum distance between the transmitting and receiving TV towers is 65 km. If the ratio of the ...

A: Given : The maximum distance between the transmitting and receiving TV towers dmax= 65 km The ratio ...

Q: When a 2.0 kg rock is dropped from a cliff it hits the beach at 24 m/s. At what speed would a 4.0 kg...

A:

Q: An atom is 1. in shape. It has three subatomic particles namely, the electrons, protons, and neutron...

A: we have to fill in the blanks in the given question

Q: 3 x 10, then find out the percentage change in its volume. is applied on it due to which it suffers ...

A: Poisson's ratio is given by, Poisson's ratio=-Lateral strainLongitudinal strain σ=-∆RR∆ll Given: Lon...

Q: 3. An electron has a kinetic energy of 3.5 × 10-19 J. What is this energy in electron volts?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: The sensation you feel when you are being subjected to forces in addition to your regular weight is ...

A: The sensation you feel when you are being subjected to forces in addition to your regular weight is ...

Q: An object of mass of 2.0 kg hangs from an ideal massless spring with a spring constant of 50 N/m. An...

A: Amplitude: Amplitude is defined as the maximum deviation of a particle from its equilibrium position...

Q: Topic: Ink Jet Printers and Electrostatic Painting I. The steps/processes involved based on electro...

A: The ink jet printer, commonly used to print computer-generated text and graphics, also employs elect...

Q: 4. Simplify each of the following, using scientific notation where appropriate: a. 102x 101 ь. 104х ...

A: as per our guidelies we will solve first three subparts for you. to get remaining subparts solved pl...

Q: An electron is released from rest in a uniform electric field. The electron accelerates vertically u...

A: Yes. We can ignore the effects of gravity here. Given: Distance travelled by the electron, d = 4.5m ...

Q: You launch a projectile toward a tall building, from a position on the ground 21.9 m away from the b...

A:

Q: reenland ice sheet is thought to affect (or be affected by) climate in the North Atlantic and Europe...

A: We know that the formula  heat required by the to melt the ice is given as  Q= mL  Where Q is the he...

Q: 4.47.2 In the circuit shown in the image below, if R1 = 28 Q, R2 = 39 Q, and 1 = 2.1 A, determine th...

A:

Q: According to Lenz's Law, the direction of an induced current in a conductor will be such that it ten...

A:

Q: Suppose we want a satellite to revolve around the earth 5 times a day. What should be the radius of ...

A:

Q: The figure below shows a circuit with an open switch, an emf device, E = 11 V, and a resistor, R = 2...

A:

Q: A car drives around a circular track of diameter 126 m at a constant speed of 31.9 m/s. During the t...

A:

Q: An object moves from position (3,4) to (6,5) in the plane. Find the magnitude and direction of displ...

A:

Q: A 4.3-MeV (kinetic energy) proton enters a 0.21-T field, in a plane perpendicular to the field. Wha...

A:

Q: 45 In Fig. 4-40, a ball is launched with a velc 10.0 m/s, at an angle of 50.0° to the horizontal. Th...

A:

Q: 10. A cube of aluminum 1.00 m X 1.00 m × 1.00 m is moving at 0.90c, in the orientation shown in Figu...

A:

Q: What is the probability of finding an electron in the 1s orbital within 0.60 Å of the nucleus of * i...

A: The probability of finding an electron in the 1s orbital within 0.60 A0 of the nucleus of an He+ ion...

Q: A massless spring of constant 40N/m is attached vertically to a table. A 5-g balloon is filled with ...

A: Given-Spring Constant=40NHelium Density=0.180 Kg/m3Volume of Helium=1.5m3Air density= 1.225Kg/m3