What is the heat in calories required to raise the temperature of 0.05 kg of water from 0 degrees C to 100 degrees C? O 5 cal O 5000 cal O 20,900 cal O20.9
Q: 7. Tammy is golfing. She wants to drive her ball from the tee to the hole that lies due east.…
A:
Q: An atom has the energy level diagram shown below. -3.0 eV n=3 -4.0 eV n = 2 -7.0 ev n=1 -9.0 eV (a)…
A:
Q: Determine the momentum of a car having mass 120 kg moving with a velocity 24 m/s
A: Given: Mass (M) = 120 kg Velocity (V) = 24 m/s
Q: Which of the following must be true for the above system to be at equilibrium? R₂ FR m₂ Om1 = m2…
A:
Q: Mass of a car is 200 kg, Calculate the weight?
A: Given:- Mass = m = 200 kg Weight = w = ? Formula:- Weight = w = mg Here, g = 9.8 m/s2
Q: Weight of a body mass 6.0 kg is 60 N. What will be the weight of a boy of mass 65 kg. (a) kgf (b) N
A:
Q: Determine the momentum of a car having mass 120 kg moving with a velocity 24 m/s
A: Given Mass of a car = 120 kg Velocity of a car = 24 m/s We have to calculate the momentum of a car
Q: A ball of 0.1 kg is dropped from rest. When it falls through a distance of 2 m, the work done by the…
A:
Q: Define the refractive index.
A: Refractive index: It is defined as the ratio of speed of light in vaccum (c) to the speed of light…
Q: Problem 2 Magnetic force on a proton A proton having a speed of 50 x 10 m/s in a magnetic field…
A: Given that- Proton speed(v)= 50×106 m/sec Magnatic force(F)=80×10-14 N( towards the west) when it…
Q: a steel ball haa a mass equal to 15 kilograms. what is the ball's weight
A: Weight of a body of mass= 'm' kg is- W= mg Where g= acceleration due to gravity
Q: A cat is playing in the backyard of his owner's place. It can be seen moving back and forth, such…
A:
Q: A jet engine pushes out 50kg of gas (mainly air) every second, at a velocity of 150m/s. (a) What…
A: Given:- The jet Engine pushed out the mass of m = 50 kg The velocity of the engine is v = 150 m/s…
Q: A total charge of 4.69 C is distributed on two metal spheres. When the spheres are 10.00 cm apart,…
A:
Q: In case of negative work the angle between the force and displacement is O 180° O 0° O 90° O 45°
A: It is possible to have a positive, negative, or zero amount of work done.
Q: What is the wavelength (in kilometers) of the 56,500-Hz radio wave used clocks and wristwatches?…
A:
Q: An elevator without a ceiling is ascending with a constant speed of 10 m/s. a boy on the elevator…
A:
Q: . The three charges are at the vertices of an isosceles triangle as shown below. Calculate the…
A:
Q: In an effort to stay awake for an all-night study session, a student makes a cup of coffee by first…
A:
Q: what will be his (a) mass, (b) weight?
A: Given data; Weight of a body mass; 6.0 kg on moon is 10 N If a boy of mass30 kg goes from the…
Q: A rod of length 80.0-cm has two small spheres attached to it, one at each end. The rod has…
A: Rotational inertia is a property of any object which can be rotated. It is a scalar value which…
Q: 1. What is the Force on the charge qo? Assume that the side of the square is 5 cm. Give your answer…
A: Solution: Given: Five charges are placed on square as shown in the figure. Charges q1, q2, q3, q4…
Q: How much distance does he
A: Given; A boy travels with an average speed= 10 m/s for 20 mintime=20 minFind distance does he travel…
Q: A train starts from rest and accelerates uniform 420 s. The train then slows down uniformly at O…
A: Given Initial velocity of train = 0 Distance travel = 5.6 km from the start Velocity of train at the…
Q: A 5.1, = A = -5 y X B = -2.6, B = 4.3 X y
A: Given Ax=5.1 , Ay=-5 Bx=-2.6 , By=-4.3 Required magnitude of A+B
Q: In the Atwood's machine shown in the diagram, two masses M and m are suspended from the pulley. What…
A: M>m Let the acceleration is a
Q: 2. A car starts from rest at constant acceleration of 2.0 m/s². At the same instant a truck…
A:
Q: How much heat is required to melt 175g of ice at 0°C? Hf = 334 J/g : Hv = 2260 J/g 58.5 kJ 395.5 kJ…
A: Melting process :- When any solid substance changes it's phase into liquid at constant temperature.…
Q: An astronaut has left the International Space Station to test a new space scooter. Her partner…
A:
Q: Concept Simulation 5.1 reviews the concepts that are involved in this problem. A child is twirling a…
A: Given: The mass of the ball is 0.0126 kg. The radius of the circular path is 0.12 m. The time period…
Q: A cyclist travels a distance of 1 km in the first hour, 0.5 km in the second hour and 0.3 km in the…
A:
Q: 2) Find total the RT of the resistance, following resistors connected in a parallel network. AO R₁…
A: The combination of resistors is shown below.
Q: A photon carries 2.56 eV of energy. What is the photon's frequency? (h= 6.626 x 10-34 J-s; 1 eV =…
A: Given: The energy of the photon is 2.56 eV.
Q: Which of the following are characteristics of series circuits? Select all that apply. There are…
A: A series circuit's characteristics are: The voltage is divided among all devices in the circuit. If…
Q: To what the distance object to be displaced so that work done is 120J. Man of box 32kg Farce Applied…
A: Write the given values with the suitable variables. W=120 Jm=32 kgF=21 N Here, W, m, and F are the…
Q: A cyclist travels a distance of 1 km in the first hour, 0.5 km in the second hour and 0.3 km in the…
A: Average speed is the ratio of total distance and total time. If an object travels a distance s1 in…
Q: An expensive vacuum system can achieve a pressure as low as 1 × 10-N/m² at 20 °C. How many atoms are…
A: Given data: Pressure P=1×10-7 N/m2 Temperature T = 20oC Volume V = 1 cm3
Q: de
A:
Q: is humidity same as dew point?
A: Humidity is concentration of water vapour in air at a given temperature . It depends on both…
Q: rmine the final
A:
Q: What is the function of the beam splitter.
A: Beam splitter splits a light/laser beam into two.
Q: Problem 1 Calculating Magnetic Force on a Current-Carrying Wire: A Strong Magnetic Field Calculate…
A:
Q: For each case below draw a ray diagram. Draw the image as an arrow and give a description of the…
A: "Since you have posted a question with multiple sub-parts, as per strict guidelines to us we will…
Q: A body starts from rest and travels with an acceleration of 2 m/s². After t seconds its velocity is…
A:
Q: A hunter is aiming at a squirrel in a tree. He is lying on the ground and the tree is 25 m away. The…
A:
Q: A 5 Hz continuous wave travels on a Slinky. If the wavelength is 0.6 m, what is the speed of waves…
A: Given parameter f = 5Hz λ = 0.6m We need to find out the speed of…
Q: Ice floats on water. What can be said about the density of ice compared to that of liquid water?
A: Given Ice floats on water We have to compare the density of ice with density of water.
Q: Determine the least count of this Vernier caliper By V.Ryan A B 0.02 mm 0.05 mm 0.01 mm 1 3 4 5 6 7
A: A vernier calliper is as shown in the figure To determine : The least count of the given vernier…
Q: A ball is projected upward at time t = 0.0 s, from a point on a roof ball is 58.5 m/s. Consider all…
A:
Q: Given two metal strips with the same initial length, steel and aluminum. When heated in the same…
A:
Step by step
Solved in 2 steps
- mmh One ounce of a well-known breakfast cereal contains 110 Calories (1 food Calorie = 4186 J). If 2.0% of this energy could be converted by a weight lifter's body into work done in lifting a barbell, *53. what is the heaviest barbell that could be lifted a distance of 2.1 m?In a laboratory, bunsen burner is used to increase the temperature of lime from 10 °C to 50 °C with the thermal energy of 80000 J. If the mass of the lime is 20 kg the specific heat capacity in of the lime would be A. 25 J/kg Co В В. 50 J/kg C° C. 75 J/kg C° D. 100 J/kg C° E. No answerA(n) 80.0-kg student eats a 160-Calorie doughnut. To burn-it-off, he decides to climb the steps of a tall building. How high (in m) would he have to climb to expend an equivalent amount of energy (by doing work)? А. 707.0 m D. 714.8 m В. 859.4 m E. 703.1 m С. 1044 m F. 854.3 m
- What is the specific heat of an 800g unknown substance whose temperature changes by 78◦C after absorbing 1000 calories of heat? a. 0.016 cal/g◦C b. 0.016 J/g◦C c. 62,400 J/kg◦CThe initial temperature of 150 g of ice is -20°C. The spe-cific heat capacity of ice is 0.5 cal/g.C° and water's is1 cal/g•C°. The latent heat of fusion of water is 80 cal/g.a.How much heat is required to raisethe ice to 0°C andcompletely melt the ice?b. How much additional heat is required to heat the water(obtained by melting the ice) to 25°C?C.What is the total heat that must be added to convert the80 g of ice at-20°C to water at +25°C?d. Can we find this total heat simply by computing howmuch heat is required to melt the ice and adding theamount of heat required to raise the temperature of 80 gof water by 45°C? ExplainIf 1500 J of heat are added to 70 g of water initially at 20 ° C, a. how much energy is this in calories? b. what is the final temperature of the water?
- An ice-cube tray of negligible mass contains 0.290 kg ofwater at 18.0°C. How much heat must be removed to cool the water to0.00°C and freeze it? Express your answer in joules, calories, and BtuA 65-kg indoor rock climber eats an energy bar that has 500 kilocalories to fuel an afternoon of climbing. If the climber has a typical 20% efficiency for energy used by the body, how many times can the climber scale an 11.8-m wall using the energy provided by the bar? (1.00J = 4.184 cal) A. two timesB. three timesC. twelve timesD. fifteen timesHow much heat transfer is required to completely boil 1500 g of water (already at its boiling point of 100°C) into a gas? J A ceramic container used for melting metals (called a crucible) contains 1.30 kg of a molten metal. The liquid metal cools until it reaches its melting point of 1,749°C. A scientist then measures that 2.99 ✕ 104 J of heat is transferred out of the metal before it completely solidifies. What is the latent heat of fusion of this metal, in J/g? (Be careful with units!)
- How much energy will be consumed by a 400W rice cooker operating for half an hour?a. 12 Jb. 24 kJc. 72 kJd. 720 kJ8. A metallic key ring is cooled down. Which of the following will happen to the insidediameter of the key ring?a. Shrinkb. Expandc. Stay at the same sized. None of the above9. What happens to the internal energy of a gas if increasing temperature under constantvolume?a. Decreaseb. Increasec. Do not changed. Cannot be determinedYou want to heat your oven to 400°F. Given that your oven has a surface area of 1m2, about how much power is being emitted by your oven? a. 477 W b. 895 W c. 1600W d. 2947 W23.0 g of copper pellets are removed from a 300 degree celsius oven and immediately dropped i to a 80.0 mal of water at 20.0 celsius in an insulated cup. What will the new water temperature be? Please help! I can't figure this question out.