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Q: A ball is thrown up with initial speed of 80m/s.(a) How high does the ball go? b) What is its spee...

A: The initial speed of the ball is, u=80 m/s (a) The final speed of the ball at the highest point is, ...

Q: A falling package with a parachute is greatly affected by air resistance. Suppose a package (m = 25 ...

A: Given data: Mass of package is, m=25 kg. The altitude is of, y=1500 m. The speed is, v=45 m/s.

Q: How long does it take for a ball dropped off of a building of height 7.7 m to hit the ground if the ...

A: When a ball is dropped at the rest from the top of the building than it moves under the constant gra...

Q: The duration of a photographic flash is related to an Rc time constant, which is 0.100 µs for a cert...

A: Given data: Time constant, τ = 0.1 μs = 1×10-7 s Resistance of flash lamp is R = 0.0400 Ω The relati...

Q: (a) What current is needed to transmit 1.00×102 MW of power at 10.0 kV? (b) Find the resistance of ...

A: Electric power: Power (P) is the product of current and voltage. P = IV or P = V2R or P =I2R Un...

Q: A 50.0-kg child stands at the rim of a merry-go-round of radius 2.85 m, rotating with an angular spe...

A: mass of child = 50 kg Radius = 2.85 m w ( angular speed) = 3.9 rad/sec

Q: An electron moves to the right with a speed of 0.84c relative to the laboratory frame. A proton move...

A: The formula for the velocity of a moving body in relativistic mechanics relative to the rest frame i...

Q: A 50.0 g mass is attached to a horizontal spring with a spring constant of 15.0 N/m and released fro...

A: mass = 50 g K (spring constant) = 15 N/m initial speed = 0 m/s Amplitude = 30 cm = 0.3 m/s total en...

Q: Two uncharged spheres are separated by 2.30 m. If 2.50 ✕ 1012 electrons are removed from one sphere ...

A: The charge on the electrons is, q=2.5×10121.6×10-19 C=4×10-7 C The separation distance between the s...

Q: A large superconducting magnet, used for magnetic resonance imaging, has a 50.0 H inductance. If you...

A: Inductance of the magnet (L)=50 H Time constant (T)=1 s

Q: A ping pong ball rolls at a speed of 0.60 m/s toward the edge of a table which is 0.80 m high. The b...

A: Horizontal velocity, u = 0.6 m/s height, h = 0.8 m

Q: What types of physicists are there?

A: There are two types of physicist, Experimental Physicist: These physicist analyses the experiments a...

Q: Part B: What is the energy of the system when in its excited state, in units of eV?

A: Click to see the answer

Q: A 0.142 kgkg remote control 21.0 cmcm long rests on a table, as shown in the figure(Figure 1), with ...

A: The distance of the remote from the edge of the table is x. The moment due to the applied force is, ...

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: 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: Monochromatic radiation at 400 nm, produced by a laser, is completely absorbed by areaction mixture ...

A: Solution:

Q: An electric field of magnitude 5.25 ✕ 105 N/C points due south at a certain location. Find the magni...

A: Click to see the answer

Q: (a) Find the voltage drop in an extension cord having a 0.0600- Ω resistance and through which 5.00 ...

A: Part A. Voltage drop will be given by following formula, V=I2RV=52×0.06V=1.5 V Part B. V=I2RV=52×0.3...

Q: Jack and Jill are both helping to fetch a pail of Nater in a hill that is 16 meters high. Each of th...

A: Height of hill = 16 m amount of water carried by each = 5 Litres Time taken by Jill = 1 hour Time ta...

Q: Which of the following is always true for a collision? Group of answer choices Kinetic Energy is co...

A: Consider the two objects which will collide as a system. During the collision of two bodies (elastic...

Q: At what speed (in m/s) is the magnitude of a particle's relativistic momentum 15.3% larger than its ...

A: Let relativistic momentum is P' and classical momentum is P. we have to find speed for which P' = 15...

Q: What is the voltage at the location of a 0.0001C charge that has an electric potential energy of 0.5...

A: Click to see the answer

Q: Two waves, y1(t) and y2(t), have identical amplitudes and oscillate at the same frequency, but y2(t)...

A: Click to see the answer

Q: An electronic device designed to operate at any temperature in the range from –10.0ºC to 55.0ºC cont...

A: Pure carbon resistors have temperature coefficient of resistivity of α=-0.5×10-3 /Co Given temperatu...

Q: Calculate the self-inductance of a 10.0 cm long, 4.00 cm diameter solenoid that has 200 coils.

A: We have to find the self-inductance of a 10.0 cm long, 4.00 cm diameter solenoid that has 200 coils.

Q: How much force is required to keep a car on a circular turn of radius 100.8 m if it is traveling at ...

A: Click to see the answer

Q: Suppose blood is pumped from the heart at a rate of 4.9 L/min into the aorta of radius 1.1 cm. Dete...

A: pumping rate of blood = 4.9L/min = 4900 ml/min = 4900 ml/60 sec = 81.67 ml/sec = 81.67 cm3/secRadius...

Q: An iceboat is at rest on a frictionless frozen lake when a suddenwind exerts a constant force of 200...

A: The work done on the boat by the wind force can be given by W=F→d→cosθ

Q: Let's begin with a simple calculation of the weight of air using density. Find the mass of air and i...

A: Given data The length of the room is l = 4.4 m. The width of the room is w = 6.1 m. The height of ...

Q: A contestant in a winter games event pushes a 32.0 kg block of ice across a frozen lake as shown in ...

A: Click to see the answer

Q: After two time constants, what percentage of the final voltage, emf, is on an initially uncharged ca...

A: After two time constants, the change in final voltage, emf is to be determined.

Q: If I am given a problem that provides the weight of a car and its inclination from the ground, how d...

A: Let the mass of the car = m weight of the car = mg W = mg Number of tires = 4 Angle of inclination f...

Q: A) The wave theory of light would predict that shining two different frequencies of light with the s...

A: Click to see the answer

Q: A 0.50-kg object moves on a horizontal frictionless circular track with a radius of 2.5 m. An extern...

A: Given data The mass of the object is m = 0.50 kg. The radius of the circular track is r = 2.5 m. Th...

Q: Suppose 1.95 L of gas at 37°C is under 7.39 × 107 Pa of pressure. How many moles of gas are there in...

A: The volume of the gas is, V=1.95 L=1.95×10-3 m3 The pressure of the gas is, P=7.39×107 Pa The temper...

Q: T3 9.) A car requires 170kiloJoules to accelerate from 23m/s to 28m/s. If this happens over 2 second...

A: Power is defined as the rate of doing work. Power is a scalar quantity and the SI unit of power is W...

Q: (a) Viewers of Star Trek hear of an antimatter drive on the Starship Enterprise. One possibility for...

A: Given quantities: velocity of the antiprotons (v) = 5.00×107 m/s radius of the circular path (r) = 2...

Q: (a) Calculate the force needed to bring a 1100 kg car to rest from a speed of 90.0 km/h in a distanc...

A: mass of car = 1100 kg initial speed = 90km/hr = 90 * 5/18 = 25 m/sfinal speed = 0 m/sdistance = 12...

Q: Suppose a car travels 108 km at a speed of 35.0 m/s, and uses 2.10 gallons of gasoline. Only 30% of ...

A: The required energy is, E=30%1.3×108 J/gallon2.10 gallon=8.19×107 J The distance traveled by car is,...

Q: Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 0....

A: Given: Output power P = 0.25 mW.