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why does air rise at the equator?

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Q: Question 20 21

A: 20. Write an expression for conservation of energy

Q: Let V1 = -6.4 i^ + 8.1 j^ and V2 = -4.5 j^ + 4.4 i^. Determine the direction of V2. Express your ans...

A: Let v1 and v2 be the given vectorsWrite the given values of question.

Q: 4.

A: The set up is given. Charge A is +2 units and charge C is also +2 units. The charge B is -2 units. A...

Q: What is the total translational kinetic energy of the air in an empty room that has dimensions 9.00m...

A: Given,

Q: Newton’s 2nd Law stipulates that “the sum of all forces acting on an object are equal to the mass ti...

A: Given information:The mass of the smiley face (m) = 12.6 kg

Q: Zorch, an archenemy of Superman, decides to slow Earth’s rotation to once per 27 h by exerting a for...

A: Given:

Q: You have a sample an unknown solid You are tasked with determining the specific heat andlatent of th...

A: In the first experiment, heat lost by the water is the heat gained by the solid

Q: Catching a wave, a 74.6-kg surfer starts with a speed of 1.18 m/s, drops through a height of 1.80 m,...

A: The initial energy of the surfer is

Q: A disk-shaped merry-go-round of radius 2.33 m and mass 185 kg rotates freely with an angular speed o...

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Q: Pelican dives to catch fish 15 of 15 Review | Constants Pelicans tuck their wings and free-fall stra...

A: Given,

Q: (Multiple choice) When nerve cells carry a signal from your hand to your brain, how is the signal pr...

A: When the membrane is at neutral state, the resting potential is negative due to the presence of more...

Q: In the circuit shown in the figure below R1 = 3.8 Ω, R2 = 6.2 Ω, R3 = 2.9 Ω, I1 = 3.3 A, I2 = 5.1 A ...

A: The figure given below shows the preferred direction of the Kirchhoff’s voltage Law,

Q: 2 One car travels 40. meters due east in 5.0 sec- onds, and a second car travels 64 meters due west ...

A: Click to see the answer

Q: An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.20s. It ...

A: total horizontal distance travelled,

Q: What energy transformations are involved when a dragster engine is revved, its clutch let out rapidl...

A: According to the law of conservation of energy,Energy can neither be created nor be destroyed but ca...

Q: In introductory physics laboratories, a typicalCavendish balance for measuring the gravitational con...

A: Gravitational force between two objects is,

Q: A planet similar to the Earth has a radius 4.3 × 106 m and has an acceleration of gravity of 10 m/s ...

A: Normal acceleration will be same as acceleration due to gravity of the planet.For an object to be in...

Q: The fastest speed in NASCAR racing history was 212.809 &ℎ (reached by Bill Elliott in 1987 at T...

A: the expression for final speed is,

Q: A ceiling fan is turned on and a net torque of 2.9 N*m applied to the blades. The blades have a tota...

A: Net torque τ = 2.9 N·mmoment of inertia I= 0.56 kg·m2

Q: system when the In the following diagram, M kg, m 3 kg and the kinetic frictional coefficient is 0.2...

A: 14.The required work done is,

Q: Week 5 Fall 2019 Three vectors 13 of 15 Review | Constants Consider three vectors AB and C all lying...

A: Part A:The vector A can be expressed in terms of their components as,The vector B can be expressed i...

Q: 51. The following diagram shows a person exerting a 300.-newton force on the handle of a shovel that...

A: Component perpendicular to the ground

Q: Let V1 = -6.4 i^ + 8.1 j^ and V2 = -4.5 j^ + 4.4 i^. Determine the magnitude of abs.(V1+V2)

A: Given,

Q: When some stars use up their fuel, they undergo a catastrophic explosion called a supernova. This ex...

A: Given:Radius of a star = RRadius of supernova shell = 3.9RNumber of revolutions of star per day = 1....

Q: After falling from rest from a height of 31 m, a 0.60-kg ball rebounds upward, reaching a height of ...

A: Assume that the velocity in downward direction is negative and in upward direction is positive. Velo...

Q: a 4.6-g bullet leaves the muzzle of a rifle with a speed of 332 m/s. What force (assumed constant) i...

A: Write the kinematic relation between initial and final velocity

Q: 14.

A: 13)when two objects rubbing together, the electrons will move to the either one from one those who c...

Q: A 2.36x10 kilogram car starts from rest and coasts down from the top of a 5.05 meter long driveway t...

A: Click to see the answer

Q: - A bag of sugar weighs 4.00 lb on Earth. What would it weigh on the Moon, where the free-fall accel...

A: Write the formula for weight and plug the required values to find weight(Wm) of sugar bag on the Moo...

Q: Calculate the angular velocity of the Earth in its orbit around the Sun. Express your answer using t...

A: a) The Earth takes 365 days to complete one trip around the Sun that is, 2π radians.Write the formul...

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air a...

A: the work done is equal to the kinetic energy gained by the ball,

Q: Number 1 .

A: Consider a car is moving with velocity(v) in a horizontal curve of the radius(R).

Q: a)draw free body diagram for both m1 and m2 b)what is the acceleration of the blocks?

A: Given,

Q: A proton is fired with a speed of 1.1 ×106m/s through the parallel-plate capacitor shown in the figu...

A: Write the expression for strength of magnetic field .

Q: A 4.0-g bullet leaves the muzzle of a rifle with a speed of 324 m/s. What force (assumed constant) i...

A: Given:Initial speed of the bullet = 0Final speed of the bullet = 324 m/sDistance covered by the bull...

Q: Could you kindly explain and solve question 3 for me?

A: Problem 31)According to the kinematics equation of motion, the velocity of the particle at position ...

Q: Six moles of an ideal gas are in a cylinder fitted at one end with a movable piston. The initial tem...

A: Given,

Q: A bullet of mass m1 = 10.00 g that has a velocity of v1 in the horizontal direction hits and gets fu...

A: Consider the momentum conservation.

Q: A tennis player tosses a tennis ball straight up and then catches it after 1.58 s at the same height...

A: Part (a):When the ball is thrown upwards the only force acting on it is force of gravitation. Thus, ...

Q: I need help with part D!!

A: The increase in gravitational potential energy of block will be,

Q: A gyroscope slows from an initial rate of 34.4 rad/s at an angular acceleration of 0.74 rad/s2. How ...

A: An initial angular speed of a gyroscope,Final angular speed of a gyroscope,An angular acceleration,

Q: A small cart with low friction wheels is attached to a sturdy wall with a high quality spring that h...

A: 2. Velocity of the cart – D

Q: The heaviest invertebrate is the giant squid, which is estimated to have a weight of about 0.18 tons...

A: The weight of squid is 0.18 ton, one ton is equal to 907.185kg.Thus the weight of the squid in kg is...

Q: A Helmholtz resonator is observed to oscillate at 400 Hz when someone blows across the top of it. If...

A: The formula for the frequency of Resonance is:

Q: One type of gas mixture used in anesthesiology is a 50%/50% mixture (by volume) of nitrous oxide (N2...

A: Consider the gas’s initial temperature be T1, the gas’s initial pressure be P1, the gas’s final temp...

Q: Question 22 23

A: From the geometry, the height from which the ball is released is

Q: M Xavier Talbot Thiebaux (PHYS Resources- MtSAC X Physics 2g midterm 2 practice X Dashboa loads/Phys...

A: The x-component of the velocity of the mass after collision is:

Q: (a) Calculate the angular momentum of Earth that arises from its spinning motion on its axis, treati...

A: (a). the moment of inertia of the sphere is

Q: A freight train has a mass of 1.4x10^7 kg. if the locomotive can exert a constant pull of 8.3x10^5 N...

A: According to the Newton’s second law, the acceleration of the freight train,Substitute the values,

Q: Problem 1: Consider the RC circuit in Figure 1. You may assume that the switch has been closed long ...

A: (1) For the v(0-) and i(0-), the capacitor C acts as open circuit because for a long time, it was cl...