1.  A 300 kg motorcycle moves at a velocity of 50 km/h. what is its momentum?                 2. What is the velocity of a 2000kg car

Q: Question 21 What is the nuclear equation for Gd (alpha decay)? 149 64 149 Gd a. 64 144 Sm +He 62 b.…

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Q: A wheel rotates with the constant angular acceleration of 2.00 rad/s*^2. If the angular speed of the…

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Q: A drum rotates around its central axis at an angular velocity of 12.1 rad/s. If the drum then slows…

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Q: Using the equation ??2 =???2 +2??(?−??) where a car is moving at an initial speed of 22 m/s slams on…

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Q: A shopper pushes her 25.0 kg cart by a force 2250 N inclined at an angle of 60.0 degrees with the…

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Q: All spotlights are place at 15 meters from the stage. You want to produce a circle of light of…

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Q: Two positive charges, each 4.18 µC, and a negative charge, -6.36 uC, are fixed at the vertices of an…

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Q: The figure shows wire 1 in cross section; the wire is long and straight, carries a current of 4.31…

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Q: A 1.25 kg ball was raised to a height of 2.50 m. If the person released the ball and the ball fell…

A: mass of ball (m) = 1.25 kg initial height (H) = 2.50 m final height (h) = 1.25 m initial velocity…

Q: You are pulling a string with a force of 209N attatched to a heavy box of mass 27Kg across your…

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Q: Astronomy: As you go from the equator of the Sun northward or southward, the period of the Sun's…

A: As one goes from equator of the sun towards it's poles,the rotational speed decreases.This…

Q: A straight conductor of fixed length I is moving at 45 degrees to a uniform magnetic field of…

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Q: Completely determine the resultant of the forces shown in the figure. Choose the answer in the…

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Q: Q8: The 50 kg block is transported over a short distance, using two cylindrical rollers, each with a…

A: Given, Mass of the block=50kg Force=125N Distance=0.6m

Q: Our electric consumption is measured using kilowatt hour, kW-h. On average, a simple Filipino…

A: Here we have to answer what is measured by kW.h unit.

Q: In an airport moving walkways help get passengers to their gates faster. In one case a person stands…

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Q: In an interference experiment using a monochromatic source emitting light of wavelength 1, the…

A: Write the expression for the fringe width. Here, n is the order of fringe.

Q: True / False: In adding two nonzero vectors whose magnitudes are different from each other, I can…

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Q: What is the work that a 45 W light bulb can do in five minutes? O 390 kJ O 13.5 kJ O 216 kJ O 160 kJ

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Q: Oppositely charged parallel plates are separated by 5.09 mm. A potential difference of (a) What is…

A: GivenDistance of separation between plates, d=5.09 mmPotential difference, V=600 V

Q: Calculate the side length of a parallel plate capacitor with an air gap of 3.6 mm if its capacitance…

A: capacitance C = ε0A/d  A = s2 , assuming the parallel plates to be square  thus C = ε0s2/d s = Cd/ε0…

Q: The resolving power of a refracting telescope increases with the diameter of the spherical objective…

A: The resolving power of a refracting telescope increases with the diameter of the spherical objective…

Q: Complete the following statement: The magnitude of the electric field at a point in space does not…

A: Given At a point magnitude of electric field is given We have to choose the correct option from…

Q: QUESTION 2 A cylindrical wire whose circular cross section has a radius of 1.0 mm carries a current…

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Q: Which has the REATEST momentum? O a 750 g bullet fired at 255 m/s O a 2 kg bowling ball moving at…

A: Required: The greatest momentum

Q: What is the amount of magnification of a refracting telescope whose objective lens has a focal…

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Q: A defibrillation unit used to electrically stimulate the heart muscles following a heart attack…

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Q: • A car of mass m accelerates from rest along a level, straight track, not at constant accler-…

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Q: For a simple harmonic oscillator with x = A sin ot write down an expression for the magnitude of…

A: The expression for a simple harmonic motion is : x = ASinωt

Q: Find the value of force applied if work done is 220 Jand displacement is 20 m

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Q: Solve for the mechanical stress formed within an aluminum bar (a 24 x 106°C, E = 69 GPa) as it is…

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Q: • The equations are provided on the last page. 1. Samuel walked up 60 steps from the first floor to…

A: here no external force is acting on the man except gravitational force. W = his reaction force on…

Q: What is the nuclear equation for 0 Th (beta decay)? (Just enter a, b, c or d without a period). a.…

A: In all nuclear reaction mass number (charge ) and mass number remains conserved.

Q: An object with a weight of 10N is tied to a string and dipped in water (fully submerged and not…

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Q: Which situation demonstrates a positive work done?

A: situation demonstrates a positive work done

Q: The linear attenuation coefficient for 2.0-MeV gamma rays in water is 4.9 m-1 and 52 m-1 in lead.…

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Q: When the distance between two stationary point charges is tripled while the charge on each particle…

A: Distance tripled Charge doubled

Q: When an elevator starts from rest and starts going upwards, it has a constant acceleration in the…

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Q: Write down an expression for the magnetic field flux in terms of the magnetic field B and the area A…

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Q: Write down the expression for period of a pendulum of length / and the gravitational field strength…

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Q: A sky diver drops his smuggled 1kg weight from physics lab out of the air plane before he jumps,…

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Q: A crate of mass 20.9 kg rests on a level surface, with a coefficient of kinetic friction 0.225. You…

A: Given: The  mass of the crate is 20.9 kg. The applied force is 244 N. The coefficient of the kinetic…

Q: Which situation DOES NOT demonstrate a work done? O A boy pulling a bag with string. O A boy walking…

A: Let's check each option one by one A boy pulling a bag with string  It represents work . Since on…

Q: Describe your approach to determining the distance between the electron and proton in an atom if the…

A: We have to describe our approach to determining the distance between the electron and proton in an…

Q: Does the situation depicted below defy the Law of Conservation of Momentum?  Explain.

A: For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of…

Q: When a positively charged rod is brought near a conducting sphere, negative charge migrates toward…

A: Charging by induction.

Q: Two identical positive charges and a negative charge are fixed at the vertices of an equilateral…

A: The angle between two forces is 60degree

Q: A graduated cylinder with glycerol has an initial reading of 100 mL. After dropping a wooden cube,…

A: First we have to calculate the volume of wooden cube

Q: The energy acquired by a particle carrying a charge equal to that on the electron as a result of…

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Q: Gimen dafe Maxe = 280 kg. Veleidy = 40 mls Find Kinetic energy

A: Given data:  Mass (m) = 280 kg Velocity (v) = 40 m/s Required: The kinetic energy (KE)