What is the layer of the atmosphere where we live? a. Mesosphere b. Stratosphere c. Troposphere d. Ozone layer

Q: 5-

A: Given, Mass of a ice hockey goalie is 76kg Velocity = 15.0m/s  

Q: A 12.0-g bullet is fired horizontally into a 114-g wooden block that is initially at rest on a frict...

A: Use law of conservation of the energy into block-bullet embedded system, the expression for find fin...

Q: An object with a mass of 7.13 kg is attached to the lower end of an ideal spring and lowered gently....

A: The given values are, m=7.13 kgk=509 N/m

Q: The figure shows two blocks connected by a cord (of negligible mass) that passes over a frictionless...

A: (given) Mass of block 1 = 1.90 kg Mass of block 2 = 2.80 kg The only forces on the blocks are the up...

Q: 16. A rock is thrown from the roof of a building of height H....

A: Given : Height of a building = H Initial position of rock (yo) = -H because direction of motion of r...

Q: A camera weighing 13 N falls from a small drone hovering 25 m overhead and enters free fall. What is...

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

Q: A ball is thrown up in the air with an initial velocity of 43.6 m/s upward. How long does it take th...

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Q: The figur

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Q: 7-

A: Mass of space probe (M)=4650 kg Expelled mass (m)=3070 kg Exhaust velocity (v)=3×103 m/s

Q: 5. A ball rolls counter-clockwise around the inside of a horizontal pipe. The ball is fastest at the...

A: Given A ball rolls counter-clockwise around the inside of a horizontal pipe. The ball is fastest at ...

Q: In the following figure, we have a disk that has a force of 9.0 N. applied. The diameter of the disk...

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Q: A comet has a period of 75.3 years and moves in an elliptical orbit in which its perihelion (closest...

A: Given that: Time (T) = 75.3 years Using the simple form of Kepler's 3rd Law : T2 = a3 where T =Time...

Q: A railroad car of mass 3.30 x 104 kg moving at 3.50 m/s collides and couples with two coupled railro...

A: According to conservation of momentum -  Initial momentum = Final momentum  Mathematically -  m1u1+m...

Q: . Can EM waves travel through a perfect vacuum? Can soundwaves?

A: Electro magnetic wave can travel in perfect vacuum. These waves are different from mechanical wave s...

Q: The arm in figure below weighs 39.3 N. The force of gravity acting onthe arm acts through point A. D...

A: The point O acts as pivot. At equilibrium, torque ∑τ=0 ∑τ=0Ftsin12o0.080 m-39.3 N0.290 m=0Ftsin12o0....

Q: A ball is hit with a speed of 27.0 m/s at an angle of 45.0°. Find  the speed horizontal position of ...

A: From given values, write the x- and y-components of the initial speed of the ball as follows, u=27.0...

Q: Explain how microwaves heat food

A: Solution:  

Q: A force F is applied to a 1.5-kg radio-controlled model car parallel to the x-axis as it moves along...

A: Given: The force-displacement graph Horizontal force F (N) distance x (m) x 2 0 0 ...

Q: A chamber is filled with a gas that has a pressure of 0.250 atm and ???is connected to a mercury-fil...

A: Given data Pressure in the chamber, P=0.250 atm=0.250×1.01×105 Pa 

Q: (1) The position of a particle for t>0 is given by F(1) = (3.0 r i-7.0r j-5.0r k) m. (a) What is the...

A: Given: Position of the particle,r→t=3.0 t2 i^ -7.0 t3j^-5.0 t-2 k^m (1)  

Q: A point on a rotating turntable 20.0 cm....

A: The given values are, R=20.0 cm=0.20 mvi=0vf=0.800 m/st=2.00 s

Q: The figure below shows a circuit that consists of two identical emf devices. If  R1 = R2 = R  and th...

A: Kirchhoff's loop rule in the above loop is (taking observation direction clockwise) -I1R1=ε-I1R=εI1=...

Q: Ceres is a dwarf planet located in the asteroid belt between the orbits of Mars and Jupiter. The rad...

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

Q: A particle moves in a straight line with the velocity shown in the figure. Knowing that x = -540 m a...

A:   Given A particle moves in a straight line with the velocity shown in the figure. Knowing that x = ...

Q: A bead with a hole through it slides on a wire track. The wire is threaded through the hole in the b...

A: Given : h = 3.70 R Mass of a bead (m) = 4.90 g = 0.0049 kg  

Q: Please answer all questions

A: Solution:  

Q: A rectangular block of unidentified material has a dimensions 5 x10x20 cm and a mass of 2.5 kg. a) W...

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Q: What are the forces on two charges of + 0.80 C and + 4.0 C, respectively, if they are separated by a...

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Q: Can someone solve this question step by step?

A: Given- Amount of sulfur and sulfur compound produce by lo = 1000 kg per second 1 year on Earth = 365...

Q: A motorboat traveling 5 m/s, East encounters a current traveling 2.5 m/s, North. a. What is the resu...

A: The velocity of the current and the boat are perpendicular to each other.   Therefore, the resultant...

Q: A fully discharged capacitor is connected in series to a resistor and a battery of constant voltage....

A: Formula of time constant: τ=RC Where,   R= Resistance.  C= Capacitance.  

Q: On a hot summer day, the temperature of air in Arizona reaches 112°F. What is the speed of sound in ...

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Q: Answer question 16

A: 16) Given quantities: initial velocity (u) = 60 m/s final velocity (v) = 30 m/s time taken (t) = 3 s...

Q: Researchers have measured the acceleration of racing greyhounds as a function of their speed; a simp...

A: (a)  The average force acting on it during its initial acceleration phase is Favg=ma=32 kg10 ms2=320...

Q: Consider the 62.0 kg mountain climber in the figure.     (a) Find the tension in the rope (in N) a...

A: Given data: mass of the mountain climber is, m=62 kg Formula used: Force due to static friction is, ...

Q: A large balloon of mass 225 kg is filled with helium gas until its volume is 318 m3. Assume the dens...

A: NOTE: As per guidelines, I can give solution for first three parts. If you need help with other part...

Q: A solid uniform cylinder with mass 8.25 kg and diameter 15.0 cm rotates at 220 rpm. Its angular mome...

A: In case of linear momentum it is calculated by product of mass and velocity. Similarly, in rotationa...

Q: A rocket is launched upward with an initial velocity v0. Describe the state of the rocket by F(v,h)=...

A: Initial speed of the rocket when it is launched vertically upwards =v0 Acceleration due to gravity a...

Q: A car starts from rest and accelerates to a speed of "a" mph in "c" seconds. The acceleration during...

A: Analyze the graph given below, (a) Total distance (D) travelled by car = area under the speed-time ...

Q: A spherical diving bell containing a camera is in the ocean at a depth of 155 m. It has a flat, tran...

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Q: A 5.77-kg object passes through the origin at time t = 0 such that its x component of velocity is 5....

A: The mass of the object is m = 5.77 kg. The x component of the velocity is vx = 5.25 m/s. The y compo...

Q: When a parachute opens, the air exerts a large drag force on it. This upward force is initially grea...

A: Weight of the sky diver is W = 915 N Drag force of air is Fdrag = 1027 N Mass of sky diver is 93.4 k...

Q: Two teams of nine members each engage in a tug of war. Each of the first team’s members has an avera...

A: Using Newton's second law of motion, Fnet=ma                       ...... (I) For the first team, T-...

Q: Complete this sentence. The electrical conductivity of a sample will ____________ when the size of t...

A: The electrical conductivity of a sample will stay the samewhen the size of the sample increases.

Q: 7

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Q: 4-

A: The mass of the falcon is mf = 1.10 kg. The mass of the dove is md = 0.160 kg. The initial velocity ...

Q: A bax slides from rest down a frictionless ramp inclined at 40.0° with respect to the horizontal and...

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

A:  (a) Given that the radius of the curve is 140 m which is banked at 18 degrees. Therefore, The ideal...

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.