5. A 50 kg block rests on a rough plane inclined 30° with the horizontal. The coefficient of sliding friction between block and plane is 0.25. What force P parallel to the plane is required to keep the block moving up the plane at constant velocity?
Q: Giraffe bending to drink. In a giraffe with its head 2.01 m above its heart, and its heart 1.84 m ab...
A: Given data P0=258 torrhfeet=2.01 mhhead=1.84 mρ=1060 kg/m3
Q: The power supply to a typical black and white television set is 85 W. When the set is connected to 1...
A: Given; P=85W V=120V t=1 hr C=2.5 A voltage=135 V Formula used: Q=Pt
Q: A ray of light is incident on a flat surface of a block of cubic zirconia, with an index of refracti...
A: First using Snell's law we can get the angle of incidence As per law of reflection, angle of inciden...
Q: A gasoline engine takes in 1.61 * 10^4 Jof heat and delivers 3700 J of work per cycle. The heat is o...
A: Given:W=3700JQH=1.61×104 J
Q: When the polarity of the voltage applied to a dc motor is reversed, the direction of motion does not...
A: The polarity of the voltage to a DC motor is reversed. but the direction of motor does not reversed ...
Q: Which one of the following statements about an ideal gas is true? O During an isochoric process, the...
A: Given:Statements about an ideal gas is true.Answer:Option:(A),(B)Now,Answer:A) During an isochoric p...
Q: What is the change in entropy of 1 mol of monatomic ideal gas that undergoes the isothermal expansio...
A:
Q: Examine the conservation of baryon number in the reaction producing the Ω- particle shown in the bub...
A: bubble chamber consists of a sealed container filled with a liquified gases . The chamber is design...
Q: 1. Answer part (c) of the problem. Show your work. 2. What is the angle between the vector you found...
A: Given, a⇀=5i^+4j^-6k^; b⇀=-2i^-2j^+3k^; c⇀=4i^+3j^-2k^given r⇀=a⇀-b⇀+c⇀=11i^+9j^-11k^ a) angle bet...
Q: The gap between valence and conduction bands in silicon is 1.12 eV. A nickel nucleus in an excited s...
A: The energy gap between the valence and conduction band is given as, ΔE = 1.12 eV The wavelength of t...
Q: Two converging lenses of focal lengths 8 and 12 placed 10 cm apart. An object is placed 4 cm left o...
A: Final image position can be calculated using thin lens equation. 1v+1u=1f v is the distance of image...
Q: Q7/ A particle of mass 7 kg moves along the y-axis. Its position varies with time according to equat...
A: as given y = 4t5 + 3t4 + 2t3 + t2 + t + 1 on differentiating wrt time we get velocity v= 20t4 + 12t3...
Q: Which of the following is true about the entropy of a monatomic ideal gas as it undergoes a reversib...
A: Entropy is the loss of energy that is available to do work.
Q: A lens is made of glass that has refractive index 1.60. In air, the lens has focal length +18.0 cm. ...
A: The refractive index of glass is given as, ng = 1.60 The focal length of lens made with glass is giv...
Q: A point source emits monochromatic electromagnetic waves into air uniformly in all directions. You m...
A: Given: The slope is given as 75 Nm/C
Q: The Fourier transform of a function f (x) is defined as: f (w) = f(x)e¬iwx dx - ίωx Similarly, the i...
A:
Q: Consider the modified Atwood's machine shown. A mass of 2m sits on a level, frictionless, surface. I...
A:
Q: A 500-loop circular wire coil with radius 4.00 cm is placed between the poles of a large electromagn...
A: Given data N=500r=0.04 m∆B∆t=0.2 T/s
Q: Explain the following items work. Provide as much detail as you can about the physics principles in ...
A: An optical filter that lets light waves of a particular polarization pass through while jamming ligh...
Q: The portion of a nerve cell thatconducts signals is called an axon. Many of the electrical propertie...
A: Given, Resistance,R=1×1011ΩRadius,r=0.3nm=0.3×10-9mLength,L=12nm=12×10-9m We have to calculate the r...
Q: An aluminum piston having a diameter of 3.000 inch at 0°C is designed to fit into a steel cylinder w...
A: Given: To find the maximum temperature of the piston to operate as,
Q: Three capacitors having capacitances of 8.4, 8.4, and 4.2 mFare connected in series across a 36 V po...
A: Given data; C1=8.4 μFC2=8.4 μFC3=4.2 μFVab=36 V So the equation for the total charge flow from the s...
Q: A coil of wire wrapped on a hollow tube and a light bulb are connected in series to an ac source. Wh...
A: Now it is said a coil of wire is wrapped around a hollow tube, this forms an inductor and is then co...
Q: Two lenses are in series. An object is viewed through them. a) Pick values for the focal lengths of ...
A: (a) Introduction: The lens in which light rays that enter it parallel to its axis cross one another ...
Q: The left end of a long glass rod 8.00 cm in diameter, with an index of refraction of 1.60, is ground...
A: Given that,Diameter of long glass rod = 8 cmIndex of refraction of glass (n2) = 1.60Index of refract...
Q: mass of the ball at 0.0097 Kg, “r” represents the geometric radius of the ball at 0.01272 m, and “r’...
A: Given data: Mass of the ball m=0.0097 kg. Velocity at point A vA=3.18 m/s. Velocity at point B vB=3...
Q: An inductor used in a dc power supply has an inductance of 12.0 Hand a resistance of 180 Ω. It carri...
A: Given: An inductor used in a dc power supply has an inductance,L= 12.0 HA resistance, R= 180 ohm It ...
Q: Kindly check the answer menntioned in picture containing the question before submitting the solution...
A: With the given information we can draw the figure as given below, where α= 37°, β=20°
Q: A drawbridge at its open position is held in place by the tension of a thick cable as shown below. I...
A: Torque is a measure of the force that can cause an object to rotate about an axis.
Q: Paperweight I bought a pack of 100 rectangular index cards. Each card measured 15 by 10 cm. The pack...
A:
Q: Consider the pulley and mass configuration shown. The pulley can be modeled as a uniform solid disk ...
A: The moment of inertia of a solid disc about an axis passing through the centre and perpendicular to ...
Q: (a) Show that the speed of an electron in the nth Bohr orbit of hydrogen is ac/n, where a is the fin...
A:
Q: You are designing a lathe motor, part of which consists of a uniform cylinder whose mass is 140 kg a...
A: Note: As per the rules we can answer only 3 sub-parts, please post the remaining sub-parts as the se...
Q: The solution to a heat conduction problem with homogeneous boundary conditions is: u(x, t) = > (-1)n...
A: The question contains 4 sub-parts. As per our policy, we will answer the first three. Kindly resubmi...
Q: A point moves along the curve y= 16 x (x and y in meters ) in such a manner that the y coordinate of...
A: First express the position in terms of y alone eliminating x. Velocity is nothing but the time deriv...
Q: A charge of 28.0 nC is placed in a uniform electric field thatis directed vertically upward and has ...
A: Given data q=28 nCE=4×104 V/md=0.67 m
Q: Not sure if I setup this problem correctly. Can't you just divide 0.10J by 10MV to get the amount of...
A: To answer: What is the total charge of the protons that must be fired at the tumor to deposit the r...
Q: When light passes through sequential interfaces, there may be a change of phase upon reflection at e...
A: Given:- The thin layer of diamond has thickness = d integer = m
Q: A roller coaster car goes around a loop-the-loop, so it is upside down at the top at point A. The ra...
A: At point A (highest) the centripetal force due to circular motion is balanced by the normal force. T...
Q: A rotating wheel with radius of 0.30 m is speeding up with constant angular acceleration. The speed ...
A:
Q: On a very hot day, you decide to cool your kitchen by leaving the refrigerator door open. What is th...
A:
Q: Find the magnitude and direction of the magnetic field at the point P generated by the current carry...
A: Magnetic field at the centre will be sum of magnetic field due to the current loop and due to the st...
Q: Two lenses are in series. An object is viewed through them. a) Pick values for the focal lengths of ...
A:
Q: An aluminum calorimeter with mass 85g and containing 310g of water are initially at thermal equilibr...
A:
Q: the phy Sical iner tia tensar in the yotem of Conudi na tes perpendicalar + the center of of a body ...
A: Inertia Tensor is given by I=100011000
Q: 1. A long straight wire carrying current I1= 5 A is located on X axis at x=8 m. Ij is directed the p...
A:
Q: Help me
A: This problem can be solved using Lenz's law.
Q: Question: A paddle for a boat is constructed of a stick of length L and a parabolic end piece. The e...
A: Let us consider a thin strip of width dx at a distance x from the origin. The area of the strip is g...
Q: Two rockets leave from a planet, each traveling at significant fractions of the speed of light a) Dr...
A: This problem can be solved using the formula for time dilation and relativistic velocity addition.
Q: Two rockets leave from a planet, each traveling at significant fractions of the speed of light a) Dr...
A: We have considered both the rockets are went in the same direction.
Step by step
Solved in 2 steps with 1 images
