A ball has an initial velocity of 160 m/s at an angle of 30 degrees horizontally. This means that the initial vertical velocity of 80m/s and its initial horizontal velocity is 139m/s. Find its position and velocity after 5 seconds. a. Horizontal Displacement b. Find the Vertical Displacement c. Horizontal and Vertical Component of Velocity

Q: If we have a material with the same electrical properties in all directions, we define its resistivi...

A:

Q: circuit A two identical lamps are connected in parallel with each other and in parallel with a volta...

A: Equivalent resistance in series  R = R1 + R2  Equivalent resistance in parallel  1/R  = 1/R1 + 1/R2 

Q: Given data: Mass of ball=4 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: Given data : Force applied=10 N Displacement=5 m Determine work done

A: Given data : Displacement=D Force=F   To find : Work done

Q: Over a certain region of space, the electric potential is V = 6x − 8x2y + 6yz2. (a) Find the expres...

A:

Q: Hydraulic engineers in the United States often use, as a unit of volume of water, the acre-foot, def...

A:

Q: A particle performs a uniform circular motion around the origin of the coordinate system. Consider t...

A: Uniform circular motion is the motion of an object in a circle at a constant speed.      

Q: Explain The term “white coal”

A:

Q: A battery, a capacitor, a bulb, and a switch are in the circuit as shown. Unlike most real bulbs, th...

A: The bulb will initially be bright because a large amount of current is passing through it due to the...

Q: Find the electric power dissipation in Earth’s atmosphere. Use the known quantities for the total re...

A: Power is given by,              P = V2R Given,       R = 200Ω       V = 300 kV = 300×103 V  

Q: Compton scattering is studied in X-ray of wavelength 0.2 nm and the scattered beam is observed at a...

A: Given Wavelength λ = 0.2 nm  = 0.2 × 10-9 m  angle of scattering θ = 90⁰ 

Q: Using the diagram below, find the total resistance in the circuit. 42.5 n 6.8n 102 1 k2

A:

Q: To what value would you have to raise the temperature of a copper wire (originally at 20 °C) to incr...

A: Given value--- resistance increases = by 18 %. alpha = 0.0039 /degree C.  Ti = 20 degree C. We hav...

Q: A hair dryer is rated at 1850 W. Assuming there are 30 days in a month, what is the monthly cost of ...

A: Given data:  Power (P) = 1850 W = 1.850 kW Daily uses = 12 minutes = 0.2 hours Number of days in a m...

Q: Given data : Resistance%-D4 Ohm Current =2 A Determine Voltage

A:

Q: A metal wire of length 20cm and diametre 0.2mm is streched by a load of 2kg of the density of the ma...

A:

Q: nA thermometer is taken from a room where the temperature is 24°C|to the outdoors, where the tempera...

A:

Q: Imagine a sphere increasing in size. Compared to its volume, its surface area grows...   Question 8...

A: The answer is below

Q: The diameter of the sphere is 2 mm. Calculate the value of the Reynolds number for the sphere with 2...

A:

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: Figure below is a graph that shows a displacement of an object along a straight line plotted against...

A:

Q: а. 340 mL of 95 °C hot water is put into an insulated 140 g (25 °C) copper container. How many grams...

A:

Q: Which of the Following can be a source of EMF? A. battery B. Wind generator C. Power Lines D. Al...

A: Option (D) Is correct. An electromotive force is an energy thatcan cause current to flow in an elect...

Q: Mercury has an average density of about 5.4 g/cm and a magnetic field. Normal rock has a density of ...

A: In this question we have to explain the high density and Magnetic field of Mercury. Please give posi...

Q: A light bulb consumes 1800 watt-hours per day. How long does it take to consume 8550 watt-hours? I d...

A:

Q: Three identical conducting objects are hung from a ceiling on rigid insulators. Object 1, Object 2, ...

A:

Q: Sketch what you think the speed vs. time graph would look like for the box you give a quick push to....

A: We have a box , We want to draw speed vs. time graph when we give a quik push to box

Q: Why charged plastic comb can attract neutral pieces of paper?

A: When we rubbed plastic comb on hair then  plastic comb gets  negatively  charged or acquire electron...

Q: A spelunker is surveying a cave. She follows a passage that takes her a distance 190 m straight west...

A:

Q: i measured the freezer temperature to be -4.05 degrees Celsius. What is this in SI units?

A: Given data:  Temperature in Celsius scale TC = -4.05°C Required:  Temperature in SI unit   

Q: The current density is a vector whose magnitude J is the current 1 per unit cross-sectional area A. ...

A: I = 3.6 mA  A= 7.2 × 10-6 m2

Q: what is the most common way to vary the output frequency of a crystal oscillator?

A:

Q: Two very small spheres are initially neutral and separated by a distance of 0.487 m. Suppose that 1....

A: The answers are below 

Q: In a vacuum, two particles have charges of q1 and q2, where q1 = +5.1 C. They are separated by a dis...

A:

Q: Given data: Height of tower%322 m Mass of ball=8 kg Determine potential energy of ball at that heigh...

A: Given data : Mass of ball=m Height of tower=h Acceleration due to gravity=g

Q: A piece of Nichrome wire has a radius of 6.5 x 10-4 m. It is used in a laboratory to make a heater t...

A:

Q: You have an equilateral triangle, and it happens you place three charges (22) (-58) (54) on each ver...

A:

Q: 3. Let's imagine that the earth is shrinking and we want to escape before it is too late. Let's set ...

A:

Q: Part A A flat puck (mass M) is revolved in a circle on a frictionless air hockey table top, and is h...

A:

Q: Four-point charges are located on the positive x-axis of a coordinate system. Each charge is 2uC wit...

A:

Q: Starting from rest, the elevator in an office building is accelerated 0.5 m/s2 for 5 seconds. And th...

A:

Q: a racer car's forward velocity 4.0m's to 36m's over a 4.0 —s time interval.what is the average of ac...

A: Given data:  Initial velocity (Vi) = 4.0 m/s Final velocity (Vf) = 36 m/s Time (t) =  4.0 s Required...

Q: baseball player throws a baseball with an intial velocity of 39.0m/s at an angle of 40 above horizon...

A: Motion of projectile can be divided into x component and y component.

Q: A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. The driver accelera...

A: Given data:  Initial velocity (Vi) = 0 m/s Final velocity (Vf) = 15 m/s Distance (d) = 100 m Require...

Q: cannonball is shot with an initial speed of 30.0 m/s and 25.0º angle below horizontal from a height ...

A: Motion of projectile can be divided into x component and y component. 

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

A:

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: One gram of water (1 cm3) becomes 875 cm3 of steam when boiled at a constant pressure of 1 atm (1.01...

A:

Q: 1. Directions: Solve the following heat engine work done related problems. 1. During a cyclic proces...

A: Given:  1. During a cyclic process , a heat engine absorbs heat from a hot reservoir Q1 =350 J The h...

Q: A car battery has an emf of 12.0V. You connect a light bulb across its terminals that have a resista...

A: Emf (V) = 12 V Resistance (R) = 12 ohm  

Projectile Motion