Question

T3 11.) A 1kg cannon ball is fired horizontally with an initial velocity of 5m/s. If the cannon was atop a wall 20m above the ground, what is the total change in KE?

 

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Work,Power and Energy

Related Physics Q&A

Find answers to questions asked by students like you.

Q: #2 and how u got the answer pls

A: Net Heat transferred is zero Qgained=QlostmiCiceTm-Ti+miLf+miCwTeq-Tm=msLv+mscwTs-Teqms=miCiceTm-Ti+...

Q: An AC appliance cord has its hot and neutral wires separated by 3.00 mm and carries a 5.00-A current...

A: “Since you have posted a question with multiple sub-parts, we will solve first three subpartsfor you...

Q: 8. A position-time graph for a particle moving along the x axis is shown in Figure 1. (a) Find the a...

A: Click to see the answer

Q: FIGURE 1 shows a ball with a mass 400 g is moving horizontally at speed 13 m s', hits a wall and reb...

A: The mass of the ball m=400 g=0.4 kg The initial speed of the ball u=13 m/s The final speed of the  b...

Q: A rocket moves with a velocity of 0.841c to the right with respect to a stationary observer A. An ob...

A: Using velocity addition theorem ux'=ux-v1-uxvc2ux'1-uxvc2=ux-vv1-uxux'c2=ux-ux'v=ux-ux'1-uxux'c2

Q: What is the sensitivity of the galvanometer (that is, what current gives a full-scale deflection) in...

A: It is given that, V=100 VR=25 kΩ=25×103 Ω

Q: Two blocks with different masses are dropped, hitting the ground with the same velocity. Which of th...

A: Using conservation of energy Kf-Ki=Ui-Uf12mv2-12mu2=mgh-0v-0=2gh

Q: A young girl had been eating too much chocolate. How much work must she do to offset the 300 calorie...

A: Law of conservation of energy: According to this law " the energy cannot be created or destroyed it ...

Q: Belly-flop Bemie dives from atop a tall flagpole into a swimming pool below. His potential energy at...

A: Click to see the answer

Q: (a) Two microwave frequencies are authorized for use in microwave ovens: 900 and 2560 MHz. Calculate...

A: Click to see the answer

Q: A resistor made of Nichrome wire is used in an application where its resistance cannot change more t...

A: Formula of resistance in terms of temperature: R=R01+α∆T                                            ...

Q: If two different forces can accelerate the same block from rest to the same final speed, then the po...

A: Given, Two forces accelerated a block from rest to a final speed 

Q: A helicopter lifts a 100kg crate straight up via cable, with an acceleration of 0.8m/s2. If the crat...

A: Solution: given that mass of crate m = 100 kg a = 0.8 m/s2 d = 5m

Q: How do fluorescent soap residues make clothing look “brighter and whiter” in outdoor light? Would th...

A: Fluorescent soap shines in ultraviolet light. it has wavelength of ultraviolet light (not visible wi...

Q: A hydrogen atom is in a state with energy -1.51 eV. Using the Bohr model: (a) Calculate the angular ...

A: Click to see the answer

Q: ks) The circuit shown: 9.00 V battery and a 3.50 W light bulb. a) Find the internal resistance of th...

A: Given, Voltage of battery = 9.00 V Power of bulb = 3.50 W

Q: 5. An aviation fuel used by a piston engine aircraft transforms 100,042 J of energy through the foll...

A: Input energy by aviation fuel = 100042 JoulesHeat produced in the engine = 46721 JHeat used by trans...

Q: A bicycle tire is spinning clockwise at 2.00 rad/s. During a time period Δt = 1.70 s, the tire is st...

A: Given: A bicycle tire is spinning clockwise initially at ωi=-2.00 rad/s (negative sign for spinning...

Q: A 3 kg ball is thrown upward with velocity 0.5 m s' from the height of 2.5 m from the ground. The ba...

A: mass of ball = 3 kg initial height = 2.5 m initial upward velocity = 0.5 m/s Rebound velocity = 6.5 ...

Q: Two point masses 3 kg and 5 kg are at 4 m and 8 m from the origin on x-axis. Locate the position of ...

A: From the origin, if m1 is at a distance r1 and m2 is at a distance r2 then the center of mass of the...

Q: A satellite orbiting 42,164 km from the center of the Earth will revolve around the Earth at the sam...

A: Click to see the answer

Q: A wave is travelling through a medium until it hits the end of the medium and there is nothing but v...

A: Electromagnetic waves are the waves which are not used the medium to travel the wave whereas mechani...

Q: 5. An aviation fuel used by a piston engine aircraft transforms 100,042 J of energy through the foll...

A: Energy produced by aviation fuel ( Input energy) = 100042 JHeat produced by vapourization = 46721 Jh...

Q: An aluminum wing on a passenger jet is 31 m long when its temperature is 21°C. At what temperature w...

A: If a metal has a length l in temperature T then when the temperature changes by an amount ΔT then th...

Q: If an object has constant velocity, then there are no forces acting on it. Group of answer choices ...

A: Newton’s first law of motion: It states that a system or body remains in rest or in a state of const...

Q: Describe the given diagram and identify each dot whether the potential energy diagram is in stable, ...

A: Fig-1 , shows the variation of potential energy ,U, of a particle ,in one dimension, as function of ...

Q: The figure below shows a beam of uniform density with a mass of 34.5 kg and a length ℓ = 5.20 m. It ...

A: a. The condition Στ= 0 about the point is used for the tension in the rope as follows, mgl2-Tl-d=0T=...

Q: A motor operating on 240 V electricity has a 180 V back emf at operating speed and draws a 12.0 A cu...

A:  

Q: It can be argued that a flat piece of glass, such as in a window, is like a lens with an infinite fo...

A: The expression of lens maker formula is: 1f=1d0+1di Here, f is the focal length of lens, d0 is the d...

Q: Starting from rest, a person pedals a bicycle such that the angular acceleration of the wheels is a ...

A:                        Speed =Distance Time                    Velocity =DisplacementTime           ...

Q: A defibrillator passes 12.0 A of current through the torso of a person for 0.0100 s. How much charge...

A: Given that, Current, I = 12.0 A and time of flow of current is t = 0.0100 s. We know that, current i...

Q: A proton in a particle accelerator has a total energy that is 360 times its rest energy. (a) What ...

A: Click to see the answer

Q: Why do we feel hot after a long period of running or doing exercise?

A: When we do running or any exercise, it will lead to increase in the muscular activity.

Q: (a) What is the momentum (in kg · m/s) of a proton moving at 0.662c?  kg · m/s (b) At what spee...

A: (a) momentum of the proton prel=m0v1-v2c2=1.67×10-27 kg0.6223.0×108 m/s1-0.662c2c2=4.157×10-19 kg·m/...

Q: QUESTION 2 What are the characteristics of the image formed by a concave mirror, when an object is p...

A: When the object is placed at the center of curvature of a concave mirror, the size of the image form...

Q: ks)The current measured by the ammeter in the circuit is 0.25 A when the switch S is open and 0.45 A...

A: Click to see the answer

Q: 1. In the Fahrenheit scale, the difference between the and lower fixed points is upper -degrees. 2. ...

A: Click to see the answer