A football was kicked at an angle of 30 degrees, with a given initial velocity of 50 m/s. What is its speed and acceleration at the maximum height?

Q: A charged sphere of radius Rohas charge density p=p,. Find the total charge in the sphere.

A: We will calculate first small charge on a disc of radius r and than integrate this small charge to…

Q: Traveling with an initial speed of 70 km/h, a car accelerates at 6000 km/h? along a straight road.…

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Q: Consider a resistor of resistivity 2.67 x 10-5 n. m, length 13.85 m, and unknown cross-sectional…

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Q: 20 A golf ball lands on green grasses, the collision is inelastic because of the change in energy…

A: In golf ball experiment, when the ball is falling towards the ground from a maximum point it's…

Q: * Question 22 Rachel is playing pool. She hits the cue ball, C, which travels at a rate of 7.5 m/s…

A: Given data, Mass of the cue ball=0.17 kg Mass of the eight-ball =0.16 kg Initial velocity of the cue…

Q: 39 If a body moving with some initial velocity undergoes a perfectly elastic collision with another…

A: Given: The mass of the both object is same. The initial velocity of the second object is 0 m/s.

Q: Find the electric resistance of a tin rod 29 m long, if its cross-sectional area is 1.5 mm^2 and its…

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Q: During a lightning flash, -6 C of charge is transferred across a potential difference of about 10^7…

A: Given in quesion - Charge(Q) = -6 Coulomb                                 Poential difference(V) =…

Q: A transformer is used to step down the 120 V AC power in an outlet to 5.00 V for a radio. If the…

A: We have N1N2=V1V2

Q: Whale and Kanmuro are two islands located at the Chimera archipelago. These two are separated by a…

A: In the given question, Distance of wire link (L) = 23 miles = 23×1.5 km = 34.5 km = 34500m Power…

Q: 1> A block of mass 10 kg is acted by the two external forces as shown. If the coefficient of kinetic…

A: Given: The mass of the object is 10 kg. The coefficient of the friction is 0.25. F1=15 NF2=25 Nθ=20°

Q: An ambulance traveling at a speed of 20.0 m/s sounds its siren, which has a frequency of 2. 00 · 10°…

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Q: A refrigerator has a coefficient of performance of (5.0x10^0). When removing (3.600x10^4) J from…

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Q: Given data: Mass=2.5 kg Volume=0.0001 m3 Find density

A: Given data The mass of the object is given as m = 2.5 kg. The volume of the object is given as V =…

Q: At temperatures 17 and 24 degrees celsius, the values of the resistance of a load made from an…

A: Resistance at 17oC = 54 ohm Resistance at 24oC = 63 ohm

Q: Is there a difference in viewing angle to the Sun from opposite sides of the Earth?

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Q: Given data : Wave speed 120 m/s %3D Frequency 340 Hz Find the wavelength

A: Given data :                           Frequency    =    f                         Wave  speed    =…

Q: A student drives 40 km south in an attempt to get to a science fair competition before realizing he…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: Consider flow from a water reservoir through a circular hole of diameter D=0.09 m at the sidewall at…

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Q: DOES AN OJECT AT REST HAVE MOMENTUM? WHY OR WHY NOT? * efe WHAT ASSUMPTIONS WILL YOU MAKE REGARDING…

A: Momentum, product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e.,…

Q: DOES AN OJECT AT REST HAVE MOMENTUM? WHY OR WHY NOT? * efe WHAT ASSUMPTIONS WILL YOU MAKE REGARDING…

A: What is implied by a negative value of acceleration

Q: A 2.0 mm diameter iron wire ( resistivity, ρ = 9.7 x 10–8 Ω-m) carries a current of 2.5 A. Determine…

A: Given value--- diameter = 2 mm. resistivity = 9.7 × 10-8 ohm m. current = 2.5 Amp. length = 20 m.…

Q: A block of mass 42.6 kg lies on a horizontal plane. A force F that is inclined 33.7° with the…

A: Given, Mass of the block, M = 42.6 kg Angle, theta, of the force applied  = 33.7° Distance…

Q: please sketch and label coordinators thank you

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Q: Ricky moves a wagon a distance of 36 meters by pulling the handle with a force of 120 Newtons. If…

A: Given: Force (F) = 120 N  Distance (d) = 36 m  Work done = 2200 J

Q: A major difference between light and sound is that light is a(n). wave and does not require a A…

A: Explanation-: This is a question fill in the blank. We have a property of light, light is an…

Q: Suppose a freshly brewed cup of coffee obeys newtons law of cooling. The coffee has a temperature of…

A: initial temperature of coffee =  200F room temperature   =   70F

Q: How much time does it take to lift 350 kg

A: ;Given Mass of 350 kg at a height of 40 m  Where,  An engine develops 25 kW power.  Determine the…

Q: Find the value of distance covered by car in 5 s if speed of car is 20 m/s

A: Given  Time  = 5 s Speed = 20 m/s Distance = ? We know  formula,  Speed = distance / time

Q: Please don't write on a paper. i can't understand handwritten. Find the image distance for an object…

A: Lens formula is given as: 1f=1v-1u 1v=1f+1u

Q: A 350 N child slides freely from rest down along a 25⁰ slide. If the μk = 0.1, what is the Fnet…

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Q: The drawings show three charges that have the same magnitude but may have different signs. In all…

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Q: Calculate the value of work done Force applied on crate=20 N Distance moved by crate=2.02 m

A: Write the given values with the suitable variables. F=20 Nd=2.02 m Here, F is the applied force and…

Q: A 0.5kg ball is fired from the tube at A with a velocity of 9m/s. If the coefficient of restitution…

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Q: ). is mesnt by leng th Contraction ? meterstick measured mesnt by leng th Contraction ? ). Hence,…

A: According to our guideline we have to do the first question please upload another question…

Q: A massless frame in the shape of a coff square 6.5 m on a side has a 17.6-kg ball at each corner.…

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Q: In an L-R-C series circuit, suppose R = 300 ohms, L = 60 mH, C = 0.50 uF, V = 50 V, and w = 10,000…

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Q: can you answer d please? (d) Draw the velocity vectors, theta and the resultant velocity vector at…

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Q: A piece of high-density Styrofoam measuring 24.0 cm by 36.0 cm by 5.0 cm floats when placed in a tub…

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Q: 22 Elastic collision is a collision in which there is absolutely no loss of kinetic energy. True…

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Q: player hits a ball with a speed of 39 m/s at an angle of Ɵ= 54 at a place where gravity is equal to…

A: We use equation of motion to solve these problems

Q: A volleyball is hit when it is 4 ft above the ground and 12 ft from a 6-ft-high net. It leaves the…

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Q: The energy that makes the maximum kinetic energy of the emitted electrons has stopped. A. Photon…

A: Explanation-: The energy that makes the maximum kinetic energy of the emitted electrons has stopped.…

Q: An object 2.0 cm in height is placed  1.0cm in front of a concave spherical mirror with a focal…

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Q: A certain light bulb has a resistance of 230 Ω. If a current of 1 A is going through it, calculate…

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Q: A charge if 20 C was passed through wire in 16 minutes. Calculate the average electric current…

A: Given value--- Charge = 20 C . time = 16 min . We have to find--- current through wire ?

Q: Which one is the equation for Stefan-Boltzman A. hf – p =mv2 B. E = hf C. I = oT4 D. E = mc?

A: Stefan-Boltzman's law defines the total power radiated from the block body in terms of the…

Q: 5. For the following motion equations = 2t – 15t + 36t – 22, t > or equal to 0 c. When is the…

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Q: 2. A source of sound having a frequency of 300 Hz is moving at 25 m/s. If the speed of sound in air…

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Q: The equation r(t) = (3t + 5) i+ (4t - 5) j+(4t) k is the position of a particle in space at time t.…

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –