Start your trial now! First week only $4.99!*arrow_forward*

Question

Say you take a photograph of night sky on October 1, 2018 at 11:00:00 pm. At what time you'd take another photo on October 2 in order to have all stars in exactly the same position as in the rst shot?

Tagged in

Science

Physics

Find answers to questions asked by students like you.

Q: a top with radius 10cm, mass 2 kg has a string around the edge and is initially at rest. assume the ...

A: Consider the figure and observe that, force by the string acts tangentially. Therefore, the angle be...

Q: 26. An 80.0-kg skydiver jumps out of a balloon at an alti- tude of 1 000 m and opens his parachute a...

A: (a)Without parachute, the acceleration is,

Q: In the figure ε = 14.2 V, R1 = 1290 Ω, R2 = 3490 Ω, and R3 = 3650 Ω. What are the potential differen...

A: By symmetry, in the circuit, we can say that the current in the equals resistance are the same. In R...

Q: Find the nth Maclaurin polynomial for the function. f(x) = sin(x), n = 5 P5(x) =

A: The expression for the Maclaurium polynomial,

Q: A current of 0.300 A through your chest can send your heart into fibrillation, ruining the normal rh...

A: The current passing through chest is 0.3A .The time for which current persists is 1.39 min.Current i...

Q: In the figure, two long straight wires are perpendicular to the page and separated by distance d1 = ...

A: Let us say that, the magnetic field due to wire 1 at point P is B1 and that due to wire 2 is B2. The...

Q: What is the energy released in this β+β+ nuclear reaction 2514Si→2513Al+01e1425Si→1325Al+10e? (The a...

A: The given nuclear reaction after releasing Beta particle is,

Q: A compact disk rotates at 210 revolutions per minute. What is its angular speed in rad/s?

A: The angular speed is given by,

Q: A child is riding a merry-go-round which completes one revolution every 8.36 s. The child is standin...

A: The expression for the centripetal acceleration,

Q: A spring is hung from the ceiling. A 0.426 -kg block is then attached to the free end of the spring....

A: Diagram of block and spring is given by.

Q: A particle moves through an xyz coordinate system while a force acts on the particle. When the parti...

A: Torque is a measure of the force that can cause an object to rotate about an axis. The expression fo...

Q: From Snell’s Law, equation (2), derive the Brewster’s angle formula given byequation (4) when (theta...

A: Brewster’s angle is the angle of incidence at which light with a particular polarization is perfectl...

Q: Chapter 22, Problem 053 /1 Your answer is partially correct. Try again. Two large parallel copper pl...

A: The equation for the magnitude of the force acting on a charged particle is given by

Q: if a charge of -3 x 10^-6 C were allowed to fall through a potential difference of +400V, the change...

A: Change in potential energy is,

Q: In the figure, a metal wire of mass m = 26.7 mg can slide with negligible friction on two horizontal...

A: (a)Wire’s speed is,

Q: An unwary football player collides with a padded goalpost while running at a velocity of 6.50 m/s an...

A: Given:Initial velocity of the football player, u = 6.5 m/sFinal velocity of the football player, v =...

Q: Chapter 25, Problem 001 The two metal objects in the figure have net charges of +99 pC and -99 pC, w...

A: Part aGiven:Two metal objects are placed having net charge +99 pC and -99 pC resulting in potential ...

Q: An object that weighs 75 N is pulled on a horizontal surface by a horizontal pull of 50 N to the rig...

A: Given weight of the object =75 NWeight = mg =75Mass of the object = 75/g = 75/9.8 = 7.653 kg.Pullin...

Q: Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are ...

A: The Final velocity of the system can be calculated using following steps:Given:

Q: Chapter 28, Problem 060 Your answer is partially correct. Try again. The figure shows a current loop...

A: The sides of the loop are parallel to the co-ordinate axis shown with AB=20.4 cm, BC=25.4 cm, and FA...

Q: A sandwich board advertising sign is constructed as shown in attached image. Its mass is 6.40 kg. (S...

A: Consider the free body diagram (FBD) of the complete figure as provided.Here m is the mass of the sa...

Q: A 600.00 N ballast is hung from the end of a wire of cross-sectional area 0.0000010 m^2. The wire st...

A: a)The stress on the wire is,

Q: In the figure six charged particles surround particle 7 at radial distances of either d = 26.0 cm or...

A: The net magnitude of the electrostatic field on the particle 7 can be calculated in given steps:Give...

Q: In the figure find the equivalent capacitance of the combination. Assume that C1 = 11.1 µF, C2 = 5.8...

A: To find the equivalent resistance, split the combination into two. Considering the capacitors, C1 an...

Q: Suppose you design an apparatus in which a uniformly charged disk of radius R is to produce an elect...

A: Given:

Q: Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has...

A: (a) The average speed of an object is the total distance traveled by the object divided by the elaps...

Q: Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades a...

A: Its given that:

Q: Two blocks are sliding to the right accross a horizontal surface, as the drawing shows. In Case A th...

A: Consider the figure, the free body diagram of block 1 and block 2 for the two-block system is shown....

Q: The graph shows how the force component Fcosθ along the displacement varies with the magnitude s of ...

A: Work done is equal to the area under the curve. Therefore,

Q: A small block is attached to an ideal spring and is moving in SHM on a horizontal frictionless surfa...

A: a)The expression for the angular frequency,

Q: A capacitor consisting of two parallel plates separated by 2.0 cm has a potential of 50 V on the top...

A: Electric field is defined as the change in potential with respect to distance. write the expression...

Q: A wire with a resistance of 8.6 Ω is drawn out through a die so that its new length is 3 times its o...

A: Relation between resistance and resistivity is,

Q: The bent wire shown in the figure lies in a uniform magnetic field. Each straight section is 1.76 m ...

A: The diagram of wires is given below:

Q: Coefficient of Linear Expansion a x 10-5 Material ах 10-5 Material ('C1) 2.94 1.33 0.899 1.88 1.17 2...

A: Thank you for the question. since we are entitled to answer up to 3 sub-parts, but third and fourth ...

Q: In the figure particles 1 and 2 of charge q1 = q2 = +22.40 × 10-19 C are on a y axis at distance d =...

A: Let, F1 and F2 be the force at the location of charge 3, due to charge 1 and 2 respectively.Let, x b...

Q: What is the magnitude of the force on 2 meters of wire carrying 0.5 A of current at an angle of 37 d...

A: Force on the wire is,

Q: A physics major is cooking breakfast when he notices that the frictional force between the steel spa...

A: Given: frictional force, f = 0.350 Ncoefficient of kinetic friction, µk = 0.03Find: The normal forc...

Q: Two manned satellites approaching one another at a relative speed of 0.550 m/s intend to dock. The f...

A: Law of conservation of momentum is,

Q: In the figure a 25 V battery is connected across capacitors of capacitances C1 = C6 = 3.5 μF and C3 ...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: State how many significant figures are proper in the results of the following calculations: (a) (106...

A: a)The resultant of the given figure,

Q: An arrow is shot horizontally from a height of 4.9 m above the ground. The inital speed of the arrow...

A: To determine: The time taken by the arrow to reach the ground.Given information: The height from whi...

Q: A 12-kg block on a horizontal frictionless surface is attached to a light spring (force constant 0.8...

A: The law of conservation of energy says that energy will be a constant quantity. The work done is giv...

Q: Determine the equivalent capacitance for the group of capacitors in the drawing. Let all capacitors ...

A: Consider the figure 1.

Q: Please show me how to work this. Please don't round any figures.

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: 3. Follow the above problem No. 1 Fig. (b). Two negative charges, gi and ga, move into the magnetic ...

A: The expression for the force at equilibrium in a circular motion,

Q: 32. Review. A block of mass m2.00 kg and a block of mass m2 -6.00 kg are connected by a massless str...

A: a)The free body diagram is,

Q: Can you produce current from a magnet and vice versa?

A: Michel Faraday’s experiments on a magnet and a loop of wire explained the relation between electrici...

Q: Vibrating string lab

A: The tension in the string is inversely proportional to the square of the number of segments in the s...

Q: A spacecraft is traveling with a velocity of v0x = 4570 m/s along the +x direction. Two engines are ...

A: The initial velocity of the spacecraft is 4570 m/s in the +x direction.

Q: In a car lift, compressed air with a gauge pressure of 4.0 x 105 Pa is used to raise a piston with a...

A: Pressure is defined as the force per unit area.Write the expression for pressure.