-aquarium activity- large hollow ball in water- How did the hand force required to hold a ball down compare between 4 inches submerged and submerged halfway to the bottom?

Q: Which of the following describes what happens with energy when a piece of paper starts to burn…

A: When a piece of paper is burnt there is a conversion of energy from one form to another. It is, of…

Q: Shown in the figure below is a point charge surrounded by two conducting spherical shells (Shell 1…

A: We know that inside the conductor or conducting shell there is no charge and no Electric field.

Q: See image question.

A: Expectation value of Sx is,

Q: Review verbally A dog eats food that stores 150 kJ of chemical energy. The dog then uses 16 kJ of…

A: Efficiency is a measure of how well a system is able to convert input energy into useful output…

Q: As the completely submerged ball is pushed deeper and deeper, what happens to the force required to…

A: The force acting on submerged ball is gravitational  force ,mg and buoyant force .   The buoyant…

Q: copper vapor laser is a gas laser that operates at a gas temperature of ab 500 °C. The atomic mass…

A: Given: ζ2=500 nsζ1=10μs Formula used: ∆γ2=12πζ2 ∆γ0=22kT ln2mc2

Q: Which ones are shown correctly?

A: Force F on a conductor, is given by…

Q: Railroad cars collide: momentum conserved. A 10,000-kg railroad car, A, traveling at a speed of 24.0…

A:

Q: Use the below information to answer Questions 18 – 20. A solid sphere rolls down a ramp without…

A:

Q: Marta did the following on her homework paper:      (3-y)2 32-y2 9-y2   Explain what is wrong…

A:

Q: 2. The position-time graph below shows the a little too far into the intersection, and backs up.…

A: 0-A A-B B-C C-D D-E AFTER E v + + + - - + a - - 0 - - 0

Q: 21.84 • CALC A semicircle of Figure P21.84 radius a is in the first and second quadrants, with the…

A: Let us consider the figure below, x is the angle the length element dr makes with the vertical. dx…

Q: When whirling a ball on a string in a circular path, if the string were to break the ball would fly…

A: Given data: The ball is moving in a circular path.

Q: Directions: Name an object or device that produces light, sound, and heat and tell the importance of…

A: Light- It is an electromagnetic radiation or em wave which is perceived by humans eye. Sound- It is…

Q: Example: 2.0 square yards = 18 ft2 0.200 square meters = cm2 а. b. 15,000 cubic millimeters = cm3…

A: Given : 2.0 square yards = 18 ft2 1 mile = 1.609 km

Q: The rod shown below moves to the right on essentially zero-resistance rails at a speed of v= 4.4…

A: The magnitude of the induced emf in terms of the moving conducting rod is given as ϵ=Blv Where v is…

Q: Three identical resistors are connected to a source of emf, as shown in the figure. The source has…

A:

Q: An electron is spiraling in a 1.5 Tesla magnetic field at 7.5 E6 m/s. What is the radius of the…

A: The radius of the particle moving in the magnetic field perpendicular to it is given by  r = m vB q

Q: What do you expect the temperature of the CMB to be when the Universe has expanded to 4.70 times its…

A: Required : Temperature of the CMB if the universe has expanded 4.7 times times its current size.

Q: Six uncharged capacitors are connected to a battery as shown below. All six capacitors are…

A: Given: C1 = C2 = C5 = C6 = 1uF

Q: Let A = 4î – 2î, B = –3î +7j, and Č = A+B. You may want to review (Pages 73 - 75). Part A What is…

A:

Q: Let A = 4î – 23, B=-3î +5j, and E = 2A+3B. Part C What is the magnitude of vector E? E = Submit…

A: Write the vector A. A=4i-2j Write the vector B. B=-3i+5j Write the vector E. E=2A+3B

Q: Who invented the phototypesetting machine?

A: Phototypesetting is a method of setting type and uses photography to make columns of type on a…

Q: Tennis ball used to be white, what is the color preferred nowadays and why?

A: At present, tennis balls are yellow-green color and this is because this color is more sensitive to…

Q: The angle (with respect to the vertical) of a simple pendulum is given by e = 0mcos[(4.64 rad/s)t +…

A: