A man hits a golf ball (0.2 kg) which accelerates at a rate of 20 m/s. What amount of force acted on the ball?

Q: A student makes a short electromagnet by winding 310 turns of wire around a wooden cylinder of diame...

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Q: Each of the eight conductors in the figure carries 4.30 A of current into or out of the page. Two pa...

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Q: QUESTION 5 Which of the following substances is the best conductor of electric charge? a. Glass b. R...

A: Solution: Step1 - Here we will understand the concept that will be used to solve the question.      ...

Q: 6.3. A car weighing 12 k N has speed of 20 ms -1. Find its kinetic energy.

A: Given data: Weight of the car  =  W  Speed of car=V   To find : Kinetic energy  

Q: Solve the problem by showing all complete solution and illustration for the problem. 2. An arrow is...

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Q: Point Potential Energy Kinetic Energy Mechanical Energy A 2940 0 2940 B 1225 1600 2825 C 980 1806.25...

A: Mechanical energy : Mechanical energy is the sum of the kinetic energy, or energy of motion, and the...

Q: chat the axes of transmission of the second and third find the intensity of light emerging from each...

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Q: (a) what power contact lens is needed to correct the vision of a person who has a near point of 72.0...

A: Given, Di=72cm Do=25cm

Q: yalvanor d the maximum current which ssed through it is 0.002 A. Wha

A: GivenResistance of galvanometer, G=50 ohmMaximum current passing through it, ig=0.002 AMaximum Curre...

Q: A block of wood floats in fresh water with 0.632 of its volume V submerged and in oil with 0.932 V s...

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Q: A. What is the energy of a 194.0MHz radio-frequency photon?  B. What is the energy of a visible-lig...

A: We know light is an electromagnetic wave which has speed c  = 3*108 m/s and relationship between fre...

Q: A farsighted librarian wears her 3.69-D refractive power eyeglasses 0.0200 m from her eyes and is ab...

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Q: Your optometrist prescribes contact lenses that have a focal length of 50.0 cm. (a) Are you nearsigh...

A: Given that, f= 50 cm Here f is positive so it means the lens is concave lens We know that concave le...

Q: cyclotron with a magnetic field of 1.2 T is used to accelerate protons. How long does it take the pr...

A: GivenMagnetic field, B=1.2 TRadius, r=25 cm=0.25 m

Q: Refer to Figure 2.2 a. Describe how the vertical displacement of the projectile y varies with time....

A: When particle is projected under gravity at an acute angle than the motion of the particle is projec...

Q: How much work is done by a girl weighing 500 N in climbing 5.0 m up a rope in the school gym?

A: Given data:  Weight (mg) = 500 N Height (h) = 5.0 m Required: Work (W) 

Q: A 1,500 kg car’s tires apply 3E3 N of force against the ground to push the car forward. What will be...

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Q: On a range with an elevated tee, a golf enthusiast is practicing. He strikes the golf ball with his ...

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Q: A cylindrical tank with a large diameter is filled with water to a depth D = 0.419 m. A hole of cros...

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Q: Problem 1: A centrifuge has a diameter of 18cm. It is able to spin at 10,000 rpm. A. What is the cen...

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Q: 50 W/m? energy density of sunlight is normally incident on the surface of a solar panel. Some part o...

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Q: Refer to Figure 2.4 a. Describe how the vertical velocity of the projectile vy varies over time? b....

A: In projectile motion horizontal velocity remains constant, only vertical velocity changes. The given...

Q: Two point charges q1 = 6.80 nC and q2 m1 = 7.11 µg and m2 = 4.01 µg, respectively, are both initiall...

A: Given  Charge  Q1 = 6.80 nC  Q2 = 3.11 nC  Masses  M1 = 7.11 ug  M2 = 4.01 ug  Initial distance, D1 ...

Q: astronaut on Mars kicks a soccer ball at an angle 45 ̊of with an initial velocity of 15 m/s. If the ...

A: GivenAn astronaut on Mars kicks a soccer ballAngle, θ=45°initial velocity, u=15 m/sgmars=3.7 m/s2

Q: Suppose two steel balls are taken into Earth orbit and collide in the vacuum of space. One ball is i...

A: One ball is initially at rest means , v = 0 m/second. And other has an initial velocity v, this cond...

Q: A projectile is launched at an angle 30° of and lands 20 s later at the same height as it was launch...

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Q: if A=3i-2j B=-i-4j find : a) diecrtion of A b) direction of B

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Q: It is easy to create and destroy energy. True False

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Q: 29. Calculate how much a 4x10-6 C point charge changes the electric potential at a distance of 1.2 m...

A: Electric potential due to a point charge(Q) at any point some distance (r) apart from change is  V= ...

Q: Two cars A and B are moving away from each other in opposite directions. Both the cars are moving wi...

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Q: A horizontal power line carries a current of 4140 A from south to north. Earth's magnetic field (85....

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Q: Step 5: Substitute v, = 0, cancel the 0 + gy, -v? + gy, mass m, and solve for v,. v, = V 2g(y, – Y) ...

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Q: A 2-kg ball is held 6 m above the ground. Relative to the ground its potential energy is A) 60 J. ...

A: Given data:  Mass (m) = 2 kg Height (h) = 6 m Required: Potential energy relative to the ground 

Q: ater (density = 1.0 x 103 kg/m) flows through a horizontal tapered pipe. At the wide end its speed i...

A: According to Bernoulli's theorem P + hρg + (1/2) ρ v2 = constant 

Q: Which of these are not fundamental particles, but are composites of two or three quarks held togethe...

A: As the mesons and baryons are made up of quarks. mesons are made up of two quarks, and baryons are m...

Q: The diagram below shows a junction between four wires. The currents for three of the wires are provi...

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Q: Given data : Voltage=30 Volt Resistance=4 ohm Find current

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

Q: 0.065 kg of ice cube at 0°C is placed in 0.835kg of water at 28°C. What is the final equilibrium tem...

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Q: A wheel has a constant angular acceleration of 2.2 rad/s². During a certain 5.0 s interval, it turns...

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Q: Refer to Figure 2.3 a. Describe how the horizontal velocity of the projectile vx varies over time? ...

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Q: The density of water is 1.0 g/cm. If h = 20 cm, the density of the oil in the left column of the U-t...

A: Given Data:- Density of water is ρw=1.0 g/cm3 Height h=20 cm Required:- Density of the oil in the le...

Q: What current will be taken by a 850 W appliance if the supply voltage is 220 V ?

A: Given data :                     Power   =   P                     Voltage  =  V         To find :  ...

Q: Using energy considerations and assuming negligible air resistance, show that a rock thrown from a b...

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Q: A water intake at a pump storage reservoir (the figure) has a cross-sectional area of O.585 m2. The ...

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Q: A boll rounds a 44 m radius curve at 18 m/s. The magnitude of it's acceleration in m/s?

A: Given data :              Speed   =  V             Radius   =   R      To find :                  Ac...

Q: Part A A plate of glass with parallel faces having a refractive index of 1.54 is resting on the surf...

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Q: A rocket is shot upwards with an initial velocity of 125 ft per sec from a platform 3 feet above the...

A: Given: u=125 ft/s = 38.1 m/s (upwards)ho=3 ft=0.914 m

Q: 11:20 s O

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Q: Mass=3 kg Velocity-4 m/s Find momentum

A: Given data:  Mass (m) = 3 kg Velocity (v) = 4 m/s Required: Momentum (P) 

Q: How do rise and decay can be manipulated in RC?

A: The rate at which a light is emitted after excitation is determined by the decay period, which is al...

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: