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Q: We have 39.5 g of a particular substance. Its specific heat in solid form is 0.8 J/(g K) and its spe...

A: The unit of temperature is not given. As the unit of Temperature used in specific heat is Kelvin. So...

Q: State Newton's three laws of motion. a. b. Show that Newton's first law of motion is a special case ...

A: Part A:Newton’s  Laws of motion:First Law : The body which is at rest remains to be at rest and the ...

Q: A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional forc...

A: Using the law of conservation of energy,

Q: Earth's radius is 6.38 × 106 m, and it completes one revolution every day. What is the tangential sp...

A: The expression for the tangential speed on the equator,

Q: In the figure, light is incident at angle θ1 = 38.0˚ on a boundary between two transparent materials...

A: a)Consider the refraction at interface between medium of refractive index n1 and air.Snell’s law is,

Q: Three point-like charges are placed at the corners of a square as shown in the figure, 40.0 cm on ea...

A: The distance between the charges q1 and q3 is equal to the length of the length of the diagonal of t...

Q: The figure shows a parallel-plate capacitor with a plate area A = 2.52 cm2 and plate separation d = ...

A: When capacitors are connected in series, the total capacitance is less than any one of the series ca...

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 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: A parallel-plate capacitor is formed of two square metal plates 10cm x 10cm, separated by a 2-mm- th...

A: Capacitance is,

Q: What is the force( magnitude and direction) on an electron moving horizontally west at a speed of 3x...

A: Force on the electron is,

Q: while studying for this quiz you realize that you still have 100g of lukewarm coffee at 40 degree C ...

A: According to the theory of temperature of mixing, when two substances of different temperatures are ...

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: 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: A plane leaves Seattle, flies 78.0 mi at 20.0 ∘ north of east, and then changes direction to 55.0 ∘ ...

A: The diagram showing the motion of the plane is shown below.

Q: 4 ) An object of height 9 cm is placed 25 cm in front of a converging lens of focal length 10 cm. Be...

A: a)The expression for the image distance from the converging by the lens formula,

Q: A bowling ball (mass = 7.2 kg, radius = 0.15 m) and a billiard ball (mass = 0.32 kg, radius = 0.028 ...

A: Gravitational force is a force that attracts any two objects with mass. In order to obtain maximum g...

Q: Suppose that a parallel-plate capacitor has circular plates with radius R = 41 mm and a plate separa...

A: GivenRadius of the plates R = 41 mm = 0.041 mSeparation distance d = 5.7 mm = 0.0057 mMaximum voltag...

Q: collin stands on a 60.0 m high cliff shooting a cannon. he is using a launch angle of 42.0 degree an...

A: (a) In order to find the range of the time of flight of the cannon balls have to be found.(b) The am...

Q: The altitude of a hang glider is increasing at a rate of 6.90 m/s. At the same time, the shadow of t...

A: Let vx be the velocity along ground and vy be the velocity along altitude, since the sun is vertical...

Q: A wild horse starts from rest and runs in a straight line 29° north of west. After 26 s of running i...

A: (a)Write the expression for average acceleration.

Q: Can someone help me work this out? I tried using the second kinematic equation and got 13.44m/s as V...

A:

Q: 12. The tub of a washer goes into its spin cycle, starting from rest and gaining angular speed stead...

A: Given: Case 1: when it starts from rest-Initial angular speed = 0Final angular speed = 5 rev/sTime, ...

Q: Each of the eight conductors in the figure carries 6.89 A of current into or out of the page. Two pa...

A: A dot represents current coming out of the page and the cross represents current going into the page...

Q: The hydrogen atom consists of a proton of mass 1.67 × 10-27 kg and an orbiting electron of mass 9.11...

A: The equation for the gravitational force is given by

Q: A 1450-kg submarine rises straight up toward the surface. Seawater exerts both an upward buoyant for...

A: The acceleration of the submarine can be calculated using given steps:Given:

Q: a bridge across a small stream is made by supporting a 10m long log with a mass of 75kg with ropes t...

A: Consider the figure, it shows free body diagram of the log.

Q: Chapter 22, Problem 024 Your answer is partially correct. Try again. A thin nonconducting rod with a...

A: Hello, since there are multiple subparts posted, we will answer the first three subparts.(a)The equa...

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: A solid cylinder with a radius of 10 cm and a mass of 3.0 kg is rotating about its center with an an...

A: The equation for the moment of inertia of a solid cylinder is given by

Q: In the figure particles with charges q1 = +6e and q2 = -14e are fixed in place with a separation of ...

A: Given,

Q: In the figure the capacitances are C1 = 1.2 µF and C2 = 4.4 µF, and both capacitors are charged to a...

A: When the capacitors are connected in parallel the total capacitance is the sum of the individual cap...

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: 34. The weight of a rectangular block of low-density mate- rial is 15.0 N. With a thin string, the c...

A: (a)Using Newton’s law, the buoyant force is,

Q: In the figure a nonconducting rod of length L = 8.42 cm has charge -q = -4.23 fC uniformly distribut...

A: (a) The linear charge density of the rod will be:

Q: The half-life of iodine-131 (131I)(131I), an isotope used in the treatment of thyroid disorders, is ...

A: Write the relation between decay constant to the half life.

Q: What is the ideal speed to take a 100 m radius curve banked at a 10.0° angle?

A: Given: Angle = 10oRadius, R = 100 mFind: The ideal speed.

Q: 2 meters long metal bar is heated from 25 degrees to 75 degrees It Cxpan ded by 0.002 meter what is ...

A: Write the expression for coefficient of thermal expansion.

Q: An air-filled parallel-plate capacitor has a capacitance of 1.6 pF. The separation of the plates is ...

A: The parallel plate capacitor diagram is given by:

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: A car goes around a curve with a radius of 120 m. The car goes through an angle of 60 degrees at a c...

A: (a) The distance covered by the car around a circle of radius r=120m, as it goes through an angle of...

Q: If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from slidi...

A: Given: Radius, r = 85 mAngle = 15oFind; (a) The ideal speed, v.(b) The minimum coefficient of fricti...

Q: A 10.8-kg block rests on a horizontal table and is attached to one end of a massless, horizontal spr...

A: Draw the free body diagrams for the two cases of application of forces on the block as:

Q: Two rods of equal lengths (1.40 m) are moving as shown in the figure. The speed v1 = 2.00 m/s and th...

A: GivenLength of the rods L = 1.40 mSpeed of the rodsv1 = 2.00 m/sV2 = 1.10 m/sMagnetic field B = 0.45...

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

A: Given,

Q: An object is placed to the right of a spherical mirror that is concave towards the object. The focal...

A: The mirror formula of concave mirror is given in equation (I).

Q: A wheel that is rotating at 33.3 rad/s is given an angular acceleration of 2.15 rad/s2. Through what...

A: The equation of motion in the angular motion is

Q: (a) A car speedometer has a 7% uncertainty. What is the range of possible speeds when it reads 120 k...

A: Given,

Q: A 55-kg box rests on a horizontal surface. The coefficient of static friction between the box the su...

A: The mass of the box=55kg.The coefficient of static friction =0.30.The coefficient of kinetic frictio...

Q: Two manned satellites approaching one another at a relative speed of 0.300 m/s intend to dock. The f...

A: Given: