4 The term V/2g is known as (a) kinetic energy (b) pressure energy (c) kinetic energy per unit weight (d) none of the above
Q: mas According to a local scientist, a typical rain cloud at an altitude of 2 m will contain, on…
A:
Q: The third floor of a house is 10 m above the street level. How much work is required to lift a 500…
A:
Q: .How much work is done in lifting a 2-kg ball 0.5m high? Express your answer in a) joules and b)…
A:
Q: If your body is 20 percent efficient in converting food intake to useful work, how many kcal of food…
A: Write the given values with the suitable variables. η=20 %W=25×105 J Here, η and W are the…
Q: How much work is done (how much energy is required) to accelerate a 1987.5 kg car entering the…
A: According to work-energy theorem work done is equals to changes in between Final kinetic energy and…
Q: With the aid of necessary equations, explain total energy of a system.
A: We know that,the total enrgy of the system is sum of enrgies posse due to motion or due to the…
Q: A 1.5 g bullet takes 2.0 x 10³ s to exit the barrel of a gun which is 1.0 m long. How much energy…
A: Given data: Mass (m) = 1.5 g = 0.0015 kg Time (t) = 2.0×10-3 s Initial velocity (Vi) = 0 m/s…
Q: If a skater with a mass of 50 kg is at rest at the top of a ramp and has 4000 J of GPE, how high up…
A: Given The mass of the skater is m = 50 kg. The gravitational potential energy is GPE=4000 J. The…
Q: 13. How much mechanical work is required to move a 1.0 kg of blood (roughly 1L) from your feet to…
A:
Q: 4. How work done is related to gravitational potential and kinetic energies? Also discuss the total…
A: 4. How work done is related to gravitational potential and kinetic energies? Let us consider we are…
Q: . A steel ball falls from a table to the floor and then comes to rest. (a) What changes were taking…
A: A steel ball falls from a table to the floor and then comes to rest.
Q: 3. A trough, full of water, is 1m long and its cross section is a triangle which is 3m high and 2m…
A: A trough is filled with the water assuming that its density is 1000kg/m3.The vertical cross-section…
Q: 9. can be stated as the net work done on an object is equal to the change in the object's kinetic…
A: Question to answer : ___________ can be stated as the net work done on an object is equal to the…
Q: 12) A 7.80 g bullet moving at 600 m/s penetrates a tree trunk to a depth of 6.0 cm. Using…
A:
Q: The water flows or drop down, the potential energy is converted to kinetic energy A. True B . False
A: The given statement is True. This is because for a non-dissipative system, the sum of the kinetic…
Q: 5. A basket of fruits which is on the top of a 1.5m high table has a PE of 44J. What is the mass of…
A:
Q: 3. If the potential energy of a body whose mass is 150 g at ground level is zero, calculate its…
A: Write the given values with the suitable variables. m=150 g=0.15 kgu=50 m/s Here, m is the mass and…
Q: Q8 (a) (1) Distinguish between renewable and non-renewable energy sources giving an example of each…
A: We are allowed to answer only the first question. For solutions to other questions, please re-post…
Q: An object in a horizontal surface was moved by applying a constant force (in Newtons), F = 8î + 5ĵ.…
A: The force applied to the object is Object displaced distance to the right is d = 9 m
Q: A circular swimming pool with diameter 20 m and sides 3 m high is filled with water to a depth of 3…
A:
Q: The average power output of the human heart is 1.33 watts.(a) How much energy does the heart produce…
A: Power is Time is Note:Find:(a) Energy produces by human heart in one day.(b) Estimate the height a…
Q: 17. A 10.0-kg rocket is fired vertically from Cape Canaveral. Its fuel gives it a kinetic energy of…
A:
Q: 4. If it takes a 100-N force to lift one shovel full of snow up 1.5 m, how many shovels full could…
A: Solution:-Given thatForce (F)=100 NDisplacement (d)=1.5 mTotal energy (E)=28 kJ=28000 J
Q: Consider a lightbulb rated for a power of 20 watts. This lightbulb consumes a certain amount of…
A:
Q: Write an expression for the kinetic energy of an object in a circular orbit. Write this in terms of…
A:
Q: 5. How much work is done (how much energy is required) to accelerate a 1987.5 kg car entering the…
A: Given: The mass of the car is 1987.5 kg. The initial speed of the car is 18.271125 m/s. The final…
Q: 3. A baseball with a mass of 0.65 kg was pitch into the air at a height of 25 meter above the ground…
A:
Q: 1. If person holds a weight for an hour, why would physicists say that no work was done?
A:
Q: 3. A piece of shattered glass falls from the 82nd floor of a building. 600 feet above the ground.…
A:
Q: You run a washing machine (512 W) and an electric clothes dryer (5000 W) for 1.5 h each daily. (a)…
A:
Q: A AA battery is used to power a motor that raises a 10-g pencil tied to a string 33 meters until it…
A: Mass m of the pencil =10g=0.01kgheight h through which it is raised = 33mg the acceleration due to…
Q: A 1900 kg car is initially traveling 20 m/s. The driver presses down on the accelerator pedal and…
A: The energy possessed by an object , which is in motion , with velocity v is known as the kinetic…
Q: The blade on a snowplow turns the wet snow through an angle of 120∘ but off to one side at 30∘. If…
A:
Q: If 60 percent of the potential energy of water flowing over a dam can be converted to electricity,…
A:
Q: big fish of 220 pounds chomps a prey of 0.557 kg which is initially stationary. To do so, it swam…
A: mass of big fish = 220 pounds mass of prey = 0.557 kg initial velocity of prey = 0 m/s initial…
Q: A 5kg object falls of a ledge that is 3m high above ground. Calculate the potential energy, the…
A: Mass=5kg H=3m
Q: a person holds a 50 Newton object stationary for 10 seconds, 2 meters above the floor, what is the…
A: The work done is given as product of the force and displacement. W = F x d
Q: Which of the following is the definition of energy? A) The effect that makes the movement of objects…
A:
Q: 7) A1,000[kg] rock is moved from the north end of a parking lot to the south end. The parking lot is…
A: Since, work done(W) is defined as the product of Force(F) and displacement(d).Mathematically:-…
Q: 4. A bag originally 60 kg of flour is lifted through a vertical distance of 9 m. While it is being…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps