20 cm

Q: After a late night of studying physics, several 80 kg students decide it would be fun to swing on th...

A:

Q: Convert 40 N/cm2 to lb/in2

A: Given: The given value is a pressure P = 40 N/cm2.

Q: A train is moving parallel to a highway with a constant speed of 20 m/sec. A car is traveling in the...

A: Doppler Effect: Doppler Effect is a phenomenon in which when the source of the sound and/or the obse...

Q: A large storage tank, open at the top to the atmospheric pressure (P1 = P0) and filled with water, d...

A:

Q: 2. A 1.30x10`3-kg car is constructed on a frame supported by four springs. Each springhas a spring c...

A: Hello,   As per our guidelines we are supposed to answer only one question kindly post other questio...

Q: A small block has constant acceleration as it slides down a frictionless incline. The block is relea...

A: Given data *The distance traveled is s1 = 6.0 mm = 6.0 × 10-3 m *The initial speed of the block is u...

Q: Suppose a car travels 108 km at a speed of 30.0 m/s, and uses 2.0 gal of gasoline. Only 30% of the g...

A: The work done by engine of the car can be obtained as

Q: A new temperature scale, °W is desired with freezing of water at 24°W and boiling point at atmospher...

A: Given information: The boiling point of water in the new scale (Wb) = 940 0W The freezing point of w...

Q: A freight train consists of two 8.00 × 105 -kg engines and 45 cars with average masses of 5.50 × 105...

A: It is given that,

Q: (III) Determine the CM of the uniform thin L-shaped con- struction brace shown in Fig. 7–40. y - 2.0...

A: Given,              Length of a rod lying in horizontal direction, L x = 2.06 m              Length ...

Q: The distance between the ruled lines on a diffraction grating is 1770 nm. The grating is illuminated...

A: The distance between the diffraction grating is,

Q: 2. An insulating sphere of radius R has a non-uniform charge density given by p = Ar 2 for r R. Find...

A:  

Q: Find the magnitude of the angle θ and the magnitude of C. R is the resultant of the four forces A, B...

A: First find the angles made by the vectors A and D with the co-ordinate axis. The angle made by the v...

Q: A typical road bike wheel has a diameter of 70 cm including the tire. In a time trial, when a cyclis...

A: d = 70 cm = 0.70 m Then, r = d/2 = 0.35 m

Q: 55. ssm The (nonconservative) force propelling a 1.50 x 10²-kg car up a mountain road does 4.70 X 10...

A: 55. The propelling force is due to the effect of increasing the energy level of the car. This energy...

Q: Cars A and B are travelling in the somu direction at the samo spead of 20 kph along a lovel rood wit...

A:

Q: A Foucault pendulum in a physics department (used to prove that the earth rotates) consists of a 120...

A:

Q: Suppose that the magnitude of the angular momentum of a system rotating in three dimensions is 421/2...

A: Given data The magnitude of the angular momentum is, L=421/2 h   Step 1 The expression for the angul...

Q: 15. ssm It takes 185 kJ of work to accelerate a car from 23.0 m/s to 28.0 m/s. What is the car's mas...

A: The expression for the required mass,  

Q: How far does light travel within 90 minutes? If light travels at 30,000 km/s.

A:  

Q: The superhero Green lantern steps from the top of a tall building. He falls freely from the rest to ...

A: For the first half, the equation of motion can be expressed as  

Q: The man of the preceding problem consumes approximately 1.05 × 107 J (2500 food calories) of energy ...

A: It is given that,

Q: What is the universal gas constant?

A: Universal gas constant is the product of Boltzmann constant and Avogadro number. The value of univer...

Q: Calculate the velocity a spherical rain drop would achieve falling from 5.00 km (a) in the absence o...

A:

Q: ?

A:

Q: A 120 g aluminum calorimeter contains 250 g of water having a temperature of 70. A50 g piece of ice ...

A:

Q: Two identical loudspeakers are placed on a wall 3.00 m apart. A listener stands 5.00 m from the wall...

A: To determine: For two identical loudspeakers, find (a) The phase difference between the waves from t...

Q: *25. ssm A sled is being pulled across a horizontal patch of snow. Friction is negligible. The pulli...

A:

Q: Estimate the kinetic energy of a 90,000-ton aircraft carrier moving at a speed of at 30 knots. You w...

A: It is given that,

Q: An airplane flying at 200.0 m/s makes a turn that takes 4.0 min. What bank angle is required? What i...

A:

Q: A 560-g squirrel with a surface area of 930 cm2 falls from a 5.0-m tree to the ground. Estimate its ...

A:

Q: The three masses shown are connected by massless, rigid rods. a. Find the coordinates of the center ...

A: a. The triangle ABC formed on joining the given masses A, B, C is an isosceles triangle, with the si...

Q: A small space probe is released from a spaceship. The space probe has mass 20.0 kg and contains 90.0...

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

Q: The 20-cm-diameter disk shown can rotate on an axle through its center. What is the net torque about...

A: Let the first force acting on the disk is 30 N. In this case the center of the disk will act as a pi...

Q: . The rings of Saturn are composed of chunks of ice thatorbit the planet. The inner radius of the ri...

A: Introduction: Saturn is the second largest planet in the solar system. Internal structure of the Sat...

Q: Why do the collisions between molecules do not appear in the derivation of the ideal gas law?

A: Introduction: Kinetic theory of gasses is the study and behavior of the gas molecules under the give...

Q: The longest pipe on a certain organ is 3.74 m. (a) What is the frequency f7 (at 0.00°C) if the pipe ...

A: Velocity of sound at 0 oC is v = 331 m/s Length of the pipe, L = 3.74 m When pipe is closed at one e...

Q: Calculate the power output needed for a 950-kg car to climb a 2.00° slope at a constant 30.0 m/s whi...

A:

Q: A 10-H inductor carries a current of 20 A. Describe how a 50-V emf can be induced across it.

A:

Q: A body moves in a circle at constant speed. Does the centripetal force that accelerates the body do ...

A:

Q: 49. ssm In a skating stunt known as crack-the-whip, a number of skaters hold hands and form a straig...

A:

Q: The lightweight wheel on a road bike has a moment of inertia of 0.097 kg ⋅ m2. A mechanic, checking ...

A: It is given that,

Q: A helium-filled toy balloon has a gauge pressure of 0.195 atm and a volume of 8.5 L a)How much great...

A:

Q: When released, a 100-g block slides down the path shown below, reaching the bottom with a speed of 4...

A:

Q: Calculate the kinetic energies of (a) a 2000.0-kg automobile moving at 100.0 km/h; (b) an 80.-kg run...

A:

Q: Two lightbulbs both operate on 120 V. One has a power of 25 W and the other 100 W. Which lightbulb h...

A: Potential difference, V = 120 V Power of the first lightbulb, P1 = 25 W Power of the second lightbul...