A car (m-1920 kg) is parked on a road that rises 12° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?
Q: Temperature & Heat 13. At 30 °C the volume of an aluminum sphere is 30 cm³. The coefficient of…
A:
Q: Required information A box full of books rests on a wooden floor. The normal force the floor exerts…
A:
Q: A bag of cement weighing 525 N hangs in equilibrium from three wires as suggested in the figure…
A: Given data: Weight of the cement bag is W=525 N The two wires making an angle of θ1=61.0°θ2=42.0°…
Q: field 38.0 cm away from a long, straight wire carrying current 4.00 A is 2110 nT. (a) At what…
A: As the Part D is solved I am going to solve Part A,B,C; Given: Distance, d = 38 cm = 38x 10-2 m…
Q: A spring has a spring constant of 66 N/m. If the spring is compressed 0 m, what is the applied…
A:
Q: A soccer ball is kicked with a speed of 9.0 m/s at an angle of 25° above the horizontal. Write the…
A:
Q: Two resistors, R₁ = 7.58 k and R₂ = 3.16 k2, and two capacitors, C₁ = 3.62 µF, and C₂ = 4.65 μF, and…
A:
Q: kg. It moves from A small particle has charge -6.60 μC and mass 2.50x10 point A, where the electric…
A: Since you have asked multiple question, we will solve the first question for you. If youwant any…
Q: Consider that the photons from the light bulb propagate symmetrically in all directions. That is,…
A:
Q: ▾ Part B Suppose that the mirror described in Part A is initially at rest a distance R away from the…
A:
Q: 3. A. How is the current of Resistor 1 (R1) effected as more resistors, Resistors R2 and R3, are…
A: A. As more resistors, such as R2 and R3, are added in series to Resistor 1 (R1), the current through…
Q: Please answer it within 30 minutes. I wiill upvote! A 2.62 kilogram object is 77.38 meters above…
A: Given Mass (m) = 2.62 kg Height (h) = 77.38 m Potential energy of the object will be giy as :-…
Q: A 50.0 kg man standing on a spring scale takes a descending elevator ride (DOWNWARD). Starting from…
A:
Q: Two particles approach each other with equal and opposite speed, v. The mass of one particle is m,…
A:
Q: The force F = (3.37 N)i + (7.99 N)j acts on a particle as it moves along a straight line from…
A: The force acts on a particle is F→=3.37 Ni^+7.99 Nj^ The particle moves from a point 2.84 m, 0.81 m…
Q: A1.4x10 V/m electric field creates a 3.5x10¹7 elec/'s current in a 1.2-mm-diameter aluminum wire…
A: Given Electric field E = 1.4×10-3 V/m No of electrons n = 3.5×1017 elec/s Current I = ne =…
Q: rrent Attempt in Progress The figure below shows two current segments. The lower segment carries…
A:
Q: A motorcyclist sees a branch in the road, and hits the brakes, slowing down at -6.42 m/s². If it…
A:
Q: A plane mirror and a concave mirror (f = 7.50 cm) are facing each other and are separated by a…
A: The mirror equation relating focal length (f) to the object distance (do) and the image distance…
Q: A circular coil of 44 loops and diameter 22.0 cm is lying flat on a tabletop, and carries a…
A: Given: Number of loops, N = 44 Current in the loop, I = 1.90 A Diameter of the loop, d = 22.0 cm =…
Q: Parker is a 56 kg pole vaulter and after successfully completing a vault, her center of mass…
A: Given Data: Weight of Parker: W= 56 kg Maximum height of center of mass of Parker: hmax = 4.6 m…
Q: Older televisions display a picture using a device called a cathode ray tube, where electrons are…
A:
Q: Find the currents flowing in the circult in the figure below. (Assume the resistances are R₁ = 10 ,…
A:
Q: An AC source operating at a frequency of 340 Hz has a maximum output voltage of 7.00 V. What is the…
A:
Q: The figure gives the acceleration of a 5.0 kg particle as an applied force moves it from rest along…
A:
Q: Sorry I have the values mixed up. The glass is 1.5 and the water is 1.333. How would that change the…
A:
Q: Which UNIT will the answer to this operation have? (We're only interested in the units, not the…
A: We need to find the ff$\frac{5 ms}{2 s^2}$
Q: 3. If a 1.0 x 10-¹0 C charge is placed on the x axis 0.15 m from the origin of a coordinate system,…
A: 3) Magnitude of electric field at point on the y-axis we solve using the formula for electric…
Q: 4. The period of oscillation of a given mass that is connected to a vertical spring (k₁= 330 N/m) is…
A: Givenk1=330 N/mT1=1.60 sk2=470 N/mT2=?
Q: Suppose two parallel-plate capacitors have the same charge Q, but the area of capacitor 1 is A and…
A: Dear student, Since both questions are different, as per guidelines we can author only first one…
Q: A man pushes on a piano with mass 180 kg; it slides at constant velocity down a ramp that is…
A:
Q: You are playing basketball and would like to have an accurate shot using projectile motion. Suppose…
A:
Q: Bubba Watson is driving a golf ball off the tee. His downswing takes 0.50 s from the top of the…
A:
Q: Using nodal analysis to the circuit shown in the figure below, the current /4 can be expressed as να…
A:
Q: A capacitor of capacitance C = 5.5 μF is initially uncharged. It is connected in series with a…
A:
Q: A charge q = 1.184E-17 C moves with velocity v = vz k = 5500 k m/s in a uniform electric field E =…
A:
Q: A 1.4x10-³ V/m electric field creates a 3.5x10¹7 elec/s current in a 1.2-mm-diameter aluminum wire.…
A: Given data- Electric field E=1.4×10-3 V/m Current i=3.5×1017 ele/s Diameter of aluminium wire…
Q: A heart beats 264 beats in 3 minutes. What is the unit rate?
A: Unit rate = Total number of heartbeatTotal time
Q: Two plane mirrors are separated by 120°, as the drawing illustrates. If a ray strikes mirror M₁ at a…
A:
Q: A construction worker pushes a box of supplies up a ramp that is at an angle of 20 degrees to the…
A:
Q: If you have a tone with a frequency of 1200 cps, find the frequency of the tone 2 octaves lower.
A: Given data: Frequency of the tone is f=1200 cycles per second
Q: 1. A. What does the brightness of lamp 1 tell you about the current in a circuit as lamps are added…
A: A. When the lamps are connected in series, the brightness of each bulb decreases due to increases in…
Q: A capacitor consists of two large plates with area A and are separated by a distance of 3a. If the…
A:
Q: What current will this array draw from a 50.0 V battery having negligible internal resistance if we…
A:
Q: The accompanying diagram shows three resistors, R₁, R2, and R3, connected to a 12-volt battery. 3V…
A: The three resistors, R1, R2, and R3, are in series combination. Therefore, the total voltage drop in…
Q: 100.0 Ω a 15.0 25.0+ Si TV "I WS 75.0 Ω ▼ Part B Find the reading of the voltmeter with the switch S…
A:
Q: 3. Four charges are located on the corners of a square of sides a = 4.5 cm as shown in problem 1.…
A:
Q: A 5.4 g marble is fired vertically upward using a spring gun. The spring must be compressed 7.1 cm…
A: Given Data, Mass of the marble (m)=5.4 g Compressed distance (d)=7.1 cm Height of the target (h)=26…
Q: A 50 kg person is inside an elevator. The elevator is accelerating upward at 1.4 m/s² What is the…
A:
Q: A single turn coil of radius 4.50 cm is held in a vertical plane and a magnet is rapidly moved…
A:
Step by step
Solved in 2 steps with 1 images
- A block (mass = 200.00 g) is placed on an inclined plane 45 degrees from the horizontal. The coefficient of static and kinetic friction between the block and the plane are 0.54 and 0.35, respectively. What is the frictional force between the block and the plane?A student of mass 57.4 kg, starting at rest, slides down a slide 17.2 m long, tilted at an angle of 26.1° with respect to the horizontal. If the coefficient of kinetic friction between the student and the slide is 0.133, find the force of kinetic friction, the acceleration, and the speed she is traveling when she reaches the bottom of the slide. (Enter the magnitudes.)An object of mass 50kg is pushed in the +x direction with a force of 40N flat along a horizontal surface causing a net acceleration of 0.15m/s2 in the +x direction. What is the coefficient of kinetic friction between the surface and the object?
- A student, crazed by final exams, uses a force of magnitude 80 N and angle u =70 to push a 5.0 kg block across the ceiling of his room ). If the coefficient of kinetic friction between the block and the ceiling is 0.40, what is the magnitude of the block’s acceleration?A 100 N force, directed at an angle u above a horizontal floor, is applied to a 25.0 kg chair sitting on the floor. If u =0, what are (a) the horizontal component Fh of the applied force and (b) the magnitude FN of the normal force of the floor on the chair? If u =30.0, what are (c) Fh and (d) FN? If u =60.0, what are (e) Fh and (f) FN? Now assume that the coefficient of static friction between chair and floor is 0.420. Does the chair slide or remain at rest if u is (g) 0, (h) 30.0, and (i) 60.0?Suppose you have a 150 kg wooden crate resting on a wood floor, with coefficient of static friction 0.500 between these wood surfaces. (Enter the magnitudes.) (a) What maximum force (in N) can you exert horizontally on the crate without moving it?
- You are holding a book of mass 10.7 kg that is initially at rest against a vertical wall by exerting a force of magnitudeF Yb = 100.8 N at an angle of θ = 34.7 degrees, as indicated in the figure.If the coefficients of friction between the book and the wall are μs = 0.46 and μk = 0.36, find the magnitude of thefrictional force from the wall on the book.A particle, which remains at rest, is acted on by three forces: F, G & H. The force F has a magnitude of 45N and is directed to the left and down making an angle of 45 degrees with the vertical. The force G is directed horizontally right and H is directed to the right and up making an angle of 30 degrees with the vertical. Find the magnitude of the vectors G and H to 1 d.p.Tarzan, who weighs 820 N, swings from a cliff at the end of a 20.0 m vine that hangs from a high tree limb and initially makes an angle of 22.0 with the vertical. Assume that an x axis extends horizontally away from the cliff edge and a y axis extends upward. Immediately after Tarzan steps off the cliff, the tension in the vine is 760 N. Just then, what are (a) the force on him from the vine in unit-vector notation and the net force on him (b) in unit-vector notation and as (c) a magnitude and (d) an angle relative to the positive direction of the x axis? What are the (e) magnitude and (f) angle of Tarzan’s acceleration just then?
- A 118 kg box sits on a flat surface where it has a static friction coefficient of us = 0.524 anda kinetic friction coefficient of Mx = 0.318. What is the minimum horizontal force that a worker mustapply in order to get the box to begin moving?A mass m is being pushed by a horizontal force F of magnitude 209.0 N. The coefficient of kinetic friction between the two surfaces is 0.4. What is the magnitude of the acceleration of this mass as it gets to be pushed up the ramp?A 4.00 kg block rests on a 30 degree incline. If the coefficient of the static friction between the block and the incline is 0.700, what magnitude of horizontal force F must act on the block to start it moving up the incline?