A 100 kg shot-putter pushes forward and upward on a 4 kg shot with a force of 1000 N. This force acts at an angle of 60° above horizontal. How much of this 1000 N force acts in the forward direction?

Q: If two objects collide in a perfectly elastic collision where the first object is moving at 10m/s an...

A: Given that:- Both object has same mass. And velocity of object1 before collision is 10m/s and second...

Q: 2. MICROMETER 3. 10 5. - 20 TTTTTTTTT| -15 -20 – 10 MICROMETER Total Reading SR TR VR Total (cm) (in...

A: Diagram which is given in question is micrometer, we have to measure the value, SR,TR,VR value add t...

Q: A biker is moving along a road at a uniform velocity of 5 m/s. A second biker is moving along the ro...

A: Given data:  Velocity of first biker (V1) = 5 m/s Velocity of second biker (V2) = 8 m/s Both are mov...

Q: A transverse wave of amplitude 0.50 mm and frequency 100 Hz is produced on a wire stretched to a ten...

A: Given data: Amplitude A = 0.50 mm Frequency f = 10 Hz Tension T = 100 N Wave speed v = 100 m/s  

Q: Two clean parallel glass plates, separated by a distance d = 1.5 mm, are dipped in a bath of water. ...

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Q: A bug starts at point A, crawls 8.0 cm east, then 5.0 cm south, 3.0 cm west, and 4.0 cm north to poi...

A: Let us assume that the bug starts its movement in a coordinate system, starting its journey from ori...

Q: A spring is compressed by a 0.2 kg marble and held stationery. When released, the spring extends 4 c...

A: M= 0.2kg  Spring extends 4cm  V= 0.68 m/s   

Q: Two small charged spheres are placed in vacuum on the x-axis: q1 = +5.0 µC at x = 0 and q2 = -8.0µC ...

A: The force betwee two charges q1 and q2 at distance r is given by F= kq1q1 /r2.  

Q: our Understanding of Section water and record the reading. What temperature have rature of the water...

A: Given:- You put a thermometer in a pot of hot water and record the reading. What temperature have y...

Q: We have current when the charge carriers have a net drift velocity Vd superposed on any random motio...

A: The correct answer is option 2. The current density is the flow of current from the unit area of the...

Q: Question 2: A large jug containing 1.5 kg of water is placed in the freezer. (i) The water cools fro...

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Q: A bug starts at point A, crawls 8.0 cm east, then 5.0 cm south, 3.0 cm west, and 4.0 cm north to poi...

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Q: What is the decrease in entropy (in J/K) of 30.0 g of water that condenses on a bathroom mirror at a...

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Q: A basketball player successfully shoots a basketball with an initial velocity of 8.80 m/s at an angl...

A: This basketball represents projectile motion.  There is no acceleration in horizontal direction, but...

Q: Four charges form an isosceles trapezoid: Q1 = +2C is located at vertex X; Q2 = -3C is located at ve...

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Q: A wire of circular cross-section carries current density that is not uniform but varies with distanc...

A: wire of circular cross-section carries current density that is not uniform but varies with distance ...

Q: Given data: Mass of ball-2 kg Velocity of ball -2.8 m/s Determine kinetic energy

A: Given data : Mass of ball=m Velocity of  ball=V   To find : Kinetic energy 

Q: If the planet Mars is about 56 million kilometers from Earth, how long would it take for a radio wav...

A: Distance between Mars and Earth (r) = 56 million Kilometers or r = 56×106 km we know that speed of l...

Q: Spitting cobras can defend themselves by squeezing muscles around their venom glands to squirt venom...

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Q: 4. Three charges are placed on three corners of a square, as shown in the figure. Each side of the s...

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Q: 32 The current in the wire shown in Figure 27-52 is 8.0 A. Find the magnetic field at point P. +2.0 ...

A: Given: The current in the wire is 8 A. The distance of point P is 1 cm.

Q: Why is it vital to proceed through lenses in order while switching lenses in a microscope?

A: Lenses in microscopic gather light from the specimen magnifies the image of the specimen, and projec...

Q: Two automobiles A and B are approaching each other in adjacent highway lanes. At t = 0, A and B are ...

A: Initial velocity of A = 67 mihrInitial velocity of B = 38 mihrdistance between A and B = 3200 ft   

Q: Two small charged spheres are placed in vacuum on the x-axis: q1 = +5.0 µC at x = 0 and q2 = −8.0µC ...

A:

Q: Given data: Voltage=D12 Volt Reistance=4 ohm Determine current

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

Q: of mass 875 kg applies the brakes, which lock the wheels. The car skids for 5.60 s in the positive x...

A: Acceleration is the rate of change of the velocity of an object with respect to time.  Here, we calc...

Q: A ball is thrown downward from the top of a building with an initial speed of 25 m/s. It strikes the...

A: Given: The intial speed of the ball is 25 m/s vertically upward. The time of flight is 2 s.

Q: What is the so called "fly away hair effect" of electrostatic?

A: 1)The plastic comb collects negative charges from the hair ,causing the hair to  have an excess of p...

Q: 5. Determine the equivalent capacitance between Aand B for the graoe acaup Ot Capacitorsin the drawi...

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Q: Charging by Contact 9. What will happen when two identical metal balls in the diagram contact each o...

A: (9) Charge transfer will take place from charged metal ball to neutral metal ball when they contact ...

Q: Three kids in a parking lot launch a rocket that rises into the air along a 380-m long arc in 40 s. ...

A: Given: Total distance = 380 m  Total time = 40 s  

Q: When an object is in uniform circular motion, the velocity of the object changes. never True False

A: Concept Uniform circular motion:- The motion of an object moving along a circular path with a consta...

Q: Problem 1: A person kicks a ball. The total time that the person's foot is in contact with the ball ...

A: If Δp be the change in momentum within time Δt then the force is given by F=ΔpΔt⇒Δp=FΔt    ...(1) A)...

Q: 5.3-cm tall wooden can is placed a distance of 9.1 cm from a concave mirror having a focal length of...

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Q: 3. In a soccer match against Mexico in 2014, US Women's National Team striker Alex Morgan scored a s...

A: Force is defined as the product of mass and acceleration, in the direction of acceleration. Using ba...

Q: must be the charge of an isolated spherical conductor 30.0 cm in diameter to produce an electric fie...

A: Given  Diameter d = 30 cm = 0.3 m  Radius r = d/2 = 0.15 m  Electric field E = 150 N/C 

Q: Suppose that the kinetic coefficient of friction between stone and grass is 0.7. A girl is sliding a...

A: Given,            μk = 0.7        Force = 72 N         mass = 8 kg      

Q: In the SI system of units, one coulomb (1 C) is defined to be the charge that passes a point every s...

A: Given,      I = 2 A      t = 5 min = 300 seconds  

Q: 1- An aorta has an inside diameter of 1.6 cm and carries blood at speeds of up 30 cm/s. What is the ...

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Q: Consider a space colonist on a far off planet. They are trying to lift a box tied to a rope from the...

A: Let the weight of the box = w Let the height of first floor window from ground = h Let the accelerat...

Q: Use the Appropriate Formulas to complete the tables below 10 Follow the correct UNITS provided 01 1....

A: Total reading is define as below. Total reading=main scale reading+(Circular scale reading x Least c...

Q: A 20 horsepower engine is used to lift  gravel from the ground to the top of a building 60 ft high. ...

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Q: How would you relate Van de Graaff generator to Electrostatics? Please explain clearly.

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Q: 2. The area of the upper face of a rectangular block is 0.5m x 0.5 m and the lower face is fixed. Th...

A: Given: The area of the upper surface is A=0.5 m×0.5 m=0.25 m2 The height of the block is h=1 cm=1×10...

Q: In a conductor the charge carriers are positive and/or negative. For example, the charge carriers in...

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Q: work

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Q: A 205-m-wide river flows due east at a uniform speed of 1.4 m/s. A boat with a speed of 7.7 m/s rela...

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Q: Match the variable with its description v HK A. The measure of force that opposes motion between two...

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Q: A metal sphere hangs from a string and has 2 kg of mass. The sphere has a charge of +5.3 µC. A unifo...

A: Given: Mass of metal sphere , m=2 kg Charge on metal sphere, q=+5.3 µC   To find:(a)  the electric f...

Q: 11. Tin has an atomic number of 50. Write the chemical equation for the beta particle emission of 12...

A: