A tennis player hits a ball when it is 0.4 metres above  the ground and 3 metres from the net, giving it a  velocity of 15 m s–1  at 60° to the horizontal.  The tennis player's opponent who has run to the net can  reach balls to a height of 2.7 metres. Will he be able to  reach this ball?

Q: A 0.32-kg particle has a speed of 5.0 m/s at point A and kinetic energy of 8.1 J at point B. (a) Wha...

A:

Q: Can you explain the concept the second Newton's law and give an example.

A:

Q: A 112 physics student use the following circuit to make measurements when an o battery is driving th...

A:

Q: 1. Using a force of 150 newtons, you push a sofa to the other side of a room, a distance of 3.1 mete...

A: #1 Given data: The applied force is F=150 N. The distance moved is L=3.1 m.

Q: A mass of 1.5 kg moves in a circle of radius 25 cm at a constant 2 rev/s. Calculate (a.) The tangen...

A:

Q: A 120-V motor has mechanical power output of 2.50 hp. It is 90.0% efficient in converting power that...

A:

Q: A beam of unpolarized light shines on a stack of five ideal polarizers, set up so that the angles be...

A: Let the initial intensity is Io. The intensity after the first polarizer is: The intensity after th...

Q: A uniform 2.5 T magnetic field points to the right. A 3.0-m-long wire, carrying 15 A, is placed at a...

A:

Q: What is the angle between the following vectors? A =-2î + 3) B = 3î - 4) %3D O 1770 O 1370 O T70 87°...

A:

Q: A device consists of an object with a weight of 20.0 N hanging vertically from a spring with a sprin...

A: We know that a device consists of an object with the weight of W = 20 N and it hang vertically from ...

Q: (II) Two blocks are connected by a light string passing over a pulley of radius 0.15 m and moment of...

A:

Q: An aircraft with a landing velocity of 79m/s is to touchdown at the start of a 2300m useable runway....

A:

Q: 2. A block of wood 30cm square and 60cm long weighs 318 N. Will the block float with its sides verti...

A: Dimensions of the wood is given by (60*30*30) all in cm and weight of the wood W=318 N. Acceleration...

Q: What is the y component of the vector illustrated below?

A: To determine y component of the vector illustrated below.

Q: Hardy, an avid TikToker, decided to look at his wristwatch to tell his friend dolphins the current t...

A: Given:Length of hour hand, h = 6.20 cmlength of minute hand, m = 9.50 cmAssumption: hour hand moves ...

Q: |Determine the fundamental dimensions of Coulomb's constant k. This constant relates thel electrical...

A: GivenElectrical force experienced by two charge q1 and q2 to product of theseCharges divided by squa...

Q: A child playing in the pool is using a cylindrical can as a boat for his toy soldiers. The can weigh...

A:

Q: 1. Charge distribution when negatively charged body touches the neutral electroscope. (conduction pr...

A: Charge (electric charge) is the property of a particle that causes it to act on similarly charged pa...

Q: A doctor leaves her house and walks along the sidewalk towards the hospital. After 3mins, it starts ...

A: The position versus time graph is given for a doctor that walks from his house towards the hospital....

Q: A block M is suspended from the ceiling using two cables. The block is held in place. Tension in T, ...

A: Given: The tension in the string-1 is 25 N.

Q: (II) A wheel of diameter 27.0 cm is constrained to rotate in the xy plane, about the z axis, which p...

A:

Q: What is the concept of the second Newton's Law? and can you give an example.

A: Newton's second law- law of acceleration Statement- Newton's second law states that the acceleration...

Q: A 444 N was applied to a 121 kg block, find the normal force if the angle theta is 25 degrees.

A: Answer:-  Given  Force (F) = 444 N  Mass of block (m) = 121 kg  Angle (theta) = 25o  Acceleration du...

Q: A block is sliding with a speed of 4.50 m/s on a smooth horizontal surface when, at point P, it enco...

A:

Q: A 10kg rock and a 5kg toy is dropped at the same height from a tall building. Neglecting air frictio...

A: Explanation :- We know that the acceleration due to gravity i.e, g is same for all object (means g d...

Q: Two wires A and B made of the same material and having the same lengths are connected across the sam...

A:

Q: The two charged objects q1 and q2 are shown in the figure below. Equipotential lines around the obje...

A:

Q: 7) Compute the kinetic energy for each of the cases below. Through what distance would a 800-N force...

A: We have to Compute the kinetic energy for each of the cases below. Through what distance would a 800...

Q: . The intensity of a sound gets reduced by 20% on passing through a slab. The reduction in intensity...

A:

Q: If an electric field passes through an area tilted about an angle of 60 degrees, what percentage of ...

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

Q: Determine the fundamental dimensions of Coulomb's constant k. This constant relates the electrical f...

A: Electric force is given by the formula : Fe = k q1q2d2  

Q: Newton's law of universal gravitation states that two particles exert a pull on each other with magn...

A:

Q: A long straight horizontal wire carries a current I = 1.50 A to the left. A positive 1.00 C charge m...

A:

Q: Consider the system of particles that are connected by rigid rods of negligible mass. If the system ...

A:

Q: 5. A 500 kg car moving on a flat , horizontal road when suddenly it turns in 35 m circular curve. If...

A: Given: The mass of the car is 500 kg. The radius of the path is 35 m. The coefficient of the frictio...

Q: The electric field at point U on the perpendicular bisector of the line joining charges +Q and -Q is...

A:

Q: 2. In figure below, find the equivalent capacitance of the combination. (C 1 = 23 u F,C2 = 45 μF and...

A:

Q: Electrons pass right through a wire cross section at the rate of 6.4×10 electrons 21 per minute. Wh...

A:

Q: 1. For a fixed amount of gas, i. if the volume of the gas is doubled, what happens to the pressure o...

A:

Q: A force of 7 pounds compresses a 15-inch spring a total of 3 inches. How much work is done in compre...

A: In this question we have to calculate the work done in compressing the spring. Please give positive ...

Q: [7] The current may flow through ---- O vacuum O gases O liquids O solid conductors O All of the abo...

A: Current is defined as the flow of charged particles such as electrons or ions. Therefore , Current c...

Q: You have now learned two interpretations of electrical interactions 1) a charge in an electric field...

A:

Q: A mass is shot horizontally at 122 m/s into a region where the coefficient of friction is given by u...

A:

Q: Problem 6: A bowling ball of mass m = 1.4 kg is launched from a spring compressed by a distance d = ...

A:

Q: During a test a rocket travels upward at 75 m/s, and when it is 40 m from the ground its engine fail...

A:

Q: A 45.5lbs ball with an initial velocity of 236m/s is rolling on the rough surface slope and continue...

A:

Q: A woman is resting on ice, with mass 47.3 kg was pulled by a man with force F with 35 degrees above ...

A: mass of woman (m) = 47.3 kg θ = 35odisplacement (d) = 67.7m time (t) = 11.85 sec   

Q: A person weighs a 5 kg fish on an elevator. If the elevator moves with an acceleration ay = ±2.00 m/...

A: mass of fish = 5kg acceleration of elevator = 2.00 m/s^2 elevator goes up 

Q: 6) In the effort to discover exoplanets a planet around another star was discovered that has a perio...

A: According to Kepler third law  Square of time period is directly proportional to cube of average rad...

Q: Two pistons of a hydraulic lift have diameters of 60 cm and 5 cm. What is the maximum mass the vehic...

A:

Projectile Motion