Explain in full detail how and why medium-mass stars like the Sun evolve off the main sequence. Be sure to include all physical changes that occur.

Q: Two objects having different masses are subjected to Identical forces act for the same length of…

A: It is given that two objects having same masses are subjected to identical forces for same length of…

Q: 5. A sheet of construction paper measures 20 mm by 15 mm, and the volume is 4 mm3, where V = lwt a.…

A: Volume is defined as the amount of space occupied by an object.

Q: If a candle is 3 meters from a thin lens with a focal length of 2 m, find the image distance A) 2 m…

A:

Q: hown in the figure below, two long parallel wires (1 and 2) carry currents of I, = 2.86 A and I, =…

A: calculate the net magnetic field at point and find direction as per shown.

Q: When you go out to your car one cold winter moning you discover a 0.70-cm thick layer of ice on the…

A:

Q: 4. Two charged metal spheres, separated by 20 cm, resulting force when the charge on each sphere is…

A:

Q: Find the frequency of a wave that has a period of 0.063 seconds.

A: If the time period of wave is T, then  Frequency f=1/T

Q: NO.74

A:

Q: 3. If V = 12 V in the circuit below R = 100 N R2= 200 N %3| R3 = 100 N R5= 300 N R4 = 150 N R, = 100…

A: Solution: Given that V = 12 V and the values of other resistors

Q: A 3,2 km B 120 m #

A: The distance between the man and the drone in the image is 3.2 kilometers. Text label "A" in the…

Q: 5. An object moving in the x-y plane has a position vector given by: 7 = (2t³ - 5t)i + (6 - t¹)ĵ (in…

A: Given  r→=(2t3-5t)i^+(6-t4)j^Required average velocity

Q: number 25

A:

Q: The block in the drawing has dimensions LO×2L0×3L0.where Lo =0.3 m. The block has a thermal…

A: Give Thermal conductivity = 100j/s-mC  Delta T = 21- 12 ° C = 9 ° c

Q: A conducting bar of length 0.25 m and mass of 0.34 kg is pulled to the right with a Force of 3.0 N.…

A: Write a given values of this question. L=0.25mm=0.34kgF=3.0NB=0.750TR=50Ω

Q: At an instant when a soccer ball is in contact with the foot of the player kicking it, the…

A: At an instant a soccer ball is in contact with the foot of the player kicking it  , the horizontal…

Q: Light bulb 1 operates with a filament temperature of 2500 K, whereas light bulb 2 has a filament…

A: T1=2500k. T2=1900k.

Q: 6&7 please

A:

Q: (a) What are the units of resistivity (in terms of the fundamental units of kg, m, s, C)? (b) What…

A:

Q: What is the height of mercury level in a barometer which is set up in a sealed cabin on the moon…

A:

Q: wave paths to a distant screen are shown, leaving the slits at angle ₁. (The screen is so far away…

A: The wavelength of light is 624 nm.  (1) Every semi circle wavelet represents a wave front. Wave 1…

Q: c. Y d. Z 72. Imagine a metamorphic rock that has been subjected to intense heat and pressure Over…

A: Statement about a process involving rocks is given we have to find out which time of the rock we get…

Q: A coaxial cable filled with teflon carries a current of 0.75 Amps out of the page along the central…

A: The integral form of the original circuital law is a line integral of the magnetic field around some…

Q: The length of the column of mercury in a thermometer is 3.3 cm when the thermometer is immersed in…

A: The given length of the mercury for ice water is L0 = 3.3 cm and the temperature of the ice water is…