A water wave (a mechanical wave, not an electromagnetic wavelhas a frequency of 20 Hz and a wavelength of 0.1 m. Calculate the speed of this wave 8m/s 6 m/s 1/2m/s 4 m/s

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A: We have to find the electric field at any point outside the shell.

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A: Length of rectangular surface l = 3.25 cm = 3.25×10-2 m Width of rectangular surface w = 5.25 cm = 5...

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A: ux=20 m/suy=12 m/s

Q: How much energy is given to each coulomb of charge passing through a 6 V battery?

A: Given data : Charge=Q Potential difference=V   To find : Work done

Q: Activity 3: QUALITATIVE PROBLEMS Direction: Solve the following problems as directed. You may show y...

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...

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A: In 100% elastic collision Linear momentum and Total Kinetic energy remains conserved, i.e. Linear mo...

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A: Given Initial velocity u = 25 m/s Final velocity v = 19 m/s Mass m = 0.1 kg 

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Q: The driver acceleration gently so that a force of 35 M acts on the car for 8 seconds . Calculate the...

A: Given, Force = 35 N  Time = 8 seconds We know that impulse = force×time 

Q: A 62.0 kg skier starts from rest at the top of a ski slope 55.0 m high. (a) If the frictional forces...

A: Given, mass of the skier, m = 62.0 kg height of the hill, H = 55.0 m Work done by frictional force, ...

Q: Good day This is just a practice quiz made only by one of my classmate for our upcoming exams next w...

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Q: A 60 kg skater begins a spin with an angular speed of 6.0 rad/s. By changing the position of her arm...

A: Given, mass of the skater, m = 60 kg angular speed of the skater, ωo = 6.0 rads moment of inertia of...

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A: Wien's Law : according to this law the product of the equilibrium temperature of the black body and ...

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Q: Determine which will be positively charged and which will be negatively charged when the pair of mat...

A: static Electricity- when two object rubbed together especially when they are insulators then the obj...

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Q: The diagram shows the instant when a long slender bar of mass 2.2 kg and length 1.5 m is horizontal....

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Q: A small car with mass of 0.800 kg travels at a constant speed on the inside of a track that is a ver...

A: Given: m=0.800kgr=5.0 mNb=25 N speed constant : uniform circular motion  

Q: A bald man weighing 85kg jumps from a pier with a horizontal velocity of 4m/s onto a120kg boat movin...

A: M1 = 85Kg M2 = 120Kg V1 = 4 m/s V2 = -5 m/s Here, for left side we consider negative velocity and to...

Q: A typical atomic nucleus is about 5x10^-15m in radius. Use the uncertainty principle to place a lowe...

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Q: A 0.25 kg length of aluminum wire is warmed by 20.6°C by an electric current. How much heat w genera...

A: GivencAl=0.22 kcal/kg°Cm=0.25 kg∆T=20.6°C

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Q: A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0...

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Q: what is meant by optimal temperature ?

A: Optimum temperature: The temperature at which an enzyme shows its highest activity is called optimum...

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A: According to conservation of momentum If no external force is applied to the system it's momentum re...

Q: Impulse and Momentum A bullet of weight 25g is fired into a body of weight 8kg, which is suspended b...

A: bullet of weight 25g is fired into a body of weight 8kg, which is suspended by a string 0.80mlong. D...

Q: A boxer quickly learns to move his head backward when he sees he is going to receive a jab to the he...

A: Explanation-   as boxer move his head backward when he sees that he is going to receive a jab to th...

Q: The electric potential inside a charged spherical conductor of radius R is given by V = k.Q/R, and t...

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Q: 3. A ball kicked from ground level at an initial velocity of 60 m/s and an angle e with ground reach...

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Q: A machine part rotates at an angular speed of 0.70 rad/s; its speed is the increased to 2.6 rad/s at...

A: Given, initial angular speed of the machine part, ωi = 0.70 rads final angular speed, ωf = 2.6 rads ...

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Q: of this frequency in air at a temperature of 20.0°? x 10

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Q: Does the current in this circuit flow clockwise or counterclockwise? What is the voltage difference ...

A: Current flow only when there is a voltage difference across the two points.  . And in the circuit ab...

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Q: Two non-identical capacitors when connected in parallel gives an equivalent capacitance of 9.0 pF an...

A: The net capacitance of capacitors connected in series is given by 1Cnet = 1C1+1C2+1C3+..., where C1 ...

Q: 12.A voltage of 2.4 V is induced on the coil when a magnet is pushed inside it. If the number of tur...

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Q: . Angelito wanted to lose weight by dieting and exercising. One day, he had only a loaf of bread wit...

A: As per the answering guidelines we will solve the first part only. Please upload the other problems ...

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Q: A 65 kg mountain climber climbs through a vertical rope at a constant acceleration from rest to a sp...

A: Write the given values with the suitable variables. m=65 kgu=0 m/sv=1.25 m/st=10 s Here, m, u, v, an...

Q: -0 = r h In the figure above, a block slides along a track from one level to a higher level after pa...

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Q: cha

A: Given, Capacitance=2f Voltage=100v

Q: Work-Energy Theorem The two crates shown are released from rest. Their masses are mA = 42kg and mB =...

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Q: Which of the following is a way to decrease momentum? Increase force Increase friction Increase velo...

A: Ques:

Q: 1. Please refer to the figure below (Figure 3). A pendulum is pulled to one side until its mass is 1...

A: Length=15cm According to our guideline we have to do the first question only.

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A: 1)We know that  Momentum is a vector quantity  p→=mv→  

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A: Given: Battery voltage 5V. Required: (1) Direction of current in the circuit.  (2) Voltage differenc...

Q: Choose the correct answer. 1. When a slab of insulating material is inserted between the plates of a...

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...