What does mass conservation imply? Group of answer choices Matter cannot disappear or be created spontaneously. Energy can neither be created nor destroyed. Mass and energy always come as a pair property of any process. Both mass and energy can neither be created nor destroyed.

Q: How will a body rise that was thrown vertically upward with a 100 ft/s? How long it will take for th...

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Q: Given data : Mass=2 kg Acceleartion=4 m/s2 Determine the force required to produce acceleration

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Q: The motion of an oscillating weight suspended from a spring was measured by a motion detector. The d...

A: (b) The difference between the maximum displacement and minimum displacement of the graph is twice t...

Q: Oliver traveled 100 km at a certain speed. In going back, he increased his speed by 10 km/hr. If it ...

A: Given: Distance traveled d=100 km, Total time t=113hours, Original speed v km/hr, During going back ...

Q: what is the main function of a defibrillator?

A: Defibrillators are devices that restore a normal heartbeat by sending an electric pulse or shock to ...

Q: 1. You toss a ball straight upward, in the positive direction. The ball falls freely under the influ...

A: Given that:- Concept of kinematics is applied in all three questions.

Q: A 50 N force causes a spring to compress 0.09 m. What is the spring constant? What is the potential ...

A: GIVEN Applied Force  =  50 N Distance to Equilibrium position = 0.09 m We have to find out the Sprin...

Q: A 50 kg student is travelling on a 187 kg raft to the right at 3.5 m/s. The student jumps off the ra...

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Q: Calculate the pressure below a sea level by a distance 10 m (consider the atmospheric pressure = 105...

A: atmospheric pressure = 105 Pa and the density of the water = 1000 kg/m3 The acceleration of gravity ...

Q: Čonsider three charges, QA +6.0 µC, Q B = +8.0 µC and Qc = -2.0 µC. Charge QAis placed at point A = ...

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Q: The string of 5 meters long is clamped at the ends and is vibrating as the third harmonic. The strin...

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Q: The string of 5 meters long is clamped at the ends and is vibrating as the fifth harmonic. The strin...

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Q: 000 Calculate the voltage if the resistance is 6 6.00 and the curre 0.50V 18 V 20M

A: Given data : The value of Resistance=R The value of current=i   To find : Voltage    

Q: The frequency of a wave is 556 Hz and the velocity 325 m/s. Find the numerical value of the phase di...

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Q: A 100-kg block is moved at a constant speed along the horizontal surface by a force inclined above t...

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Q: What mass of fresh water (in kg) can be contained in a box whose dimensions are 270 mm by 257 mm by ...

A: 1mm = 10-3 m    if volume of box is V  and density of liquid stores in it is d  and mass of liquid s...

Q: Which of the following is FALSE? a. Electric field lines never intersect. b. The electric field line...

A: Electric field lines never intersect each other. If they would intersect then we would get two diffe...

Q: A particle moves along the x-axis according to the equation x = 2.00 + 3.00t-1.00t2.where x is in me...

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Q: Initially there are three objects: A is 17 kg moving to the right at 5 m/s, B is 4 kg moving to the ...

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Q: Light with a wavelength of 500 nm enters a medium with a refractive index n=1.25. What is the freque...

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Q: A 3.0 kg rock is initially at rest at the top of a cliff. Assuming the rock falls into the sea at th...

A: Givenmass of rock, M=3 kgMass of water, m=1 kgChange in temperature, ∆T=0.10°C

Q: Calculate the maximum kinetic energy of electron ejected by 5*10^14 Hz from a metal surface has a Th...

A: Write the expression for the maximum kinetic energy. Here, h represents the Planck’s constant, νo r...

Q: You are taking a bubble bath to relax after a physics quiz in a solution with a surface tension of 3...

A: Write the expression for the gauge pressure. Here, T represents the surface tension and R represent...

Q: 3. In the OpenStax College Physics textbook, read the Chapter 5 section 5.1 (Friction). Then for Exa...

A: Draw the free-body diagram of skier.  

Q: A student is watching a TV that is receiving a signal though an in house dipole aerial. As the stude...

A: Given Speed of the wave = 3 x 105  Km /sec The wavelength of the wave = 0.5 m We have to find out Th...

Q: DIRECTION: WRITE YOUR COMPLETE SOLUTION NEATLY THEN BOX YOUR FINAL ANSWER 1. Three balls, with charg...

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Q: The spring in a marble launcher is compressed 0.078 m by a marble of mass 0.0045 kg and is locked in...

A: vertical height component of launcher =lsinθ

Q: 3) A stone is dropped from rest from the edge of a 50.0-m cliff. How far below the top of the cliff ...

A: Given  Height of Cliff = 50 m  Time (t) = 2.50 sec  Initial velocity (u) = 0    

Q: 2. Ropes AB and AC are thrown to a boater whose canoe has capsized. If a = 25° and the magnitude of ...

A: α = 25oFR = 95 lb θR = 10oθAC = 40o  

Q: The magnitudes of two vectors A and B are A = 12 units and B = 8 units. Which pair of numbers repres...

A: Correct option is  (c) i e 20 units , 4 units 

Q: A student kicks a ball that is initially at rest on the ground. The ball has an initial velocity of ...

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Q: A 200 g solid sphere of R= 25 cm radius and a 300 g solid cylinder of identical radius vithout slipp...

A: We know that  A  ms=  200 g solid sphere of R =  25 cm radius and a mc=  300 g solid cylinder of ide...

Q: Find the voltage if the resistance is 52 ohms and and the current is 0.8 amperes?

A: Given data :                        Current = i                         Resistance = R             T...

Q: In the figure here, a ball is thrown up onto a roof, landing 3.40 s later at height h = 23.0 m above...

A: Givent=3.40 sHeight, h=23.0 mAngle,θ=54.0°

Q: 2.8 At a temperature of 100°C and an absolute pressure of 5 at- mospheres, what is the ratio of the ...

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Q: A water wave travelling in a certain direction has a wavelength of 10.5 mm, a speed of 7.1 m/s and a...

A: Given value--- wavelength = 10.5 mm  speed = 7.1 m/s. amplitude = 5 mm. We have to find--- freque...

Q: The string of 5 meters long is clamped at the ends and is vibrating as the third harmonic. The strin...

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Q: A  progressive wave travelling in the x-direction is represented by the following equation: ?=?sin(?...

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Q: Given data: Resistance38 ohm Voltage=16 Volt Determine Current

A: Given data : Voltage=V Resistance=R   To find : Current

Q: 32 A0.10-kilogram ball dropped vertically from a height of 1.00 meter above the floor bounces back t...

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Q: Humans can only hear a small range of sound frequencies. The highest frequency sound wave most human...

A: Write the expression for the frequency. Here, v represents the speed and λ represents the wavelengt...

Q: 1. Draw a proper free body diagram for the cart of weight W shown below. If the cable suddenly snaps...

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Q: You step into the elevator on the ground floor of the Empire State Building. The elevator takes 4.0 ...

A: Given: The intial speed of the elevator is 0 m/s. The final speed of the elevator is 10 m/s. The tim...

Q: A 6.45 kg piece of zinc (Czinc = 0.387 J/g C) was initially at 15.0 C. It is heated with 3,680.0 J o...

A: Write the expression for the energy. Here, m represents the mass, Czinc represents the specific hea...

Q: 4. What are the three longest wavelengths of the de Broglie waves that describe an electron that is ...

A: To find three longest wavelengths of the de Broglie waves that describe an electron that is confined...

Q: A metal sphere has a charge of + 8.0 µC. (a.) How many electrons does it have? (b.) What is the net ...

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Q: A concave lens creates a virtual image at -47.0 cm and a magnification of +1.75. What is the focal l...

A: Given data The image distance is given as u = - 47 cm. The magnification is given as m = +1.75.   ...

Q: DIRECTION: WRITE YOUR COMPLETE SOLUTION NEATLY THEN BOX YOUR FINAL ANSWER 2. Four equal charges of 2...

A: Given: q1=q2=q3=q4 = 2*10-6 C a=1m q=3*10-6 C

Q: Draw the four graphs of the x and y components of position, velocity versus time of projectile. XPOS...

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Q: Molly is doing an experiment. She has two speakers set up d = 6.2 m apart. They each play the same t...

A: Given, distance between the two loud speakers, d = 6.2 m frequency of sound, f = 462 Hz speed of sou...

Nuclear interactions

In nature, there are certain rules and standards for an interaction. These interactions are universally accepted. There are four types of interactions: