Ques 4: A block moves in a straight line with velocity v for time to. Then, its velocity becomes 2v for next to time. Finally its velocity becomes 3v for time T. If average velocity during the complete journey was 2.5 v, then find T in terms of to.

Q: A ball is thrown at 20.0 m/s inside a box car moving along the tracks at 40.0 m/s. Wh is the speed…

A:

Q: Find the magnitude of 08.ds for the closed path (b )shown in the figure: 05 A 1 A ©2 A Select one:…

A: The magnetic flux through a surface is defined as the number of magnetic field lines passing through…

Q: at noon, ship A is 150km west of ship B. Ship A is sailing east at 35km/h and ship B is sailing…

A:

Q: ment Bo ar over speed? se same

A: Given that                  The distance covered by the car is (s) = 6m                  The time…

Q: A canon is fired straight up starting from the ground with a velocity of 25mis. It then reaches its…

A:

Q: SLOWES T FANKING レ SLADE 4 3 4 FASTEST 2. SuADE S O JAX= +9 cm At = o(sleconls At st-ti LAst dt fir…

A: To answer the given question we will create a table and using that table we will rank them.

Q: A car traveling 67 km/hkm/h slows down at a constant 0.51 m/s2m/s2 just by "letting up on the gas."…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: A thick insulating spherical shell of inner radius a=2.4R and outer radius b=6.1R has a uniform…

A:

Q: At 3 s into a run, a football player is traveling at +3 m/s. Four seconds later, the player is…

A:

Q: reasonable limits of accuracy, find the instantaneous velocity v when t = 4 s. 10 t, s Answers: For…

A: Given data: The total time interval is: ∆t = 8 sec The average velocity is: Vav The instantaneous…

Q: Given: x - coordinate: x = -5.00sinwt, where w is constant, x is meters, and t is seconds y –…

A:

Q: QUESTION 26 The plot of acceleration versus time is a horizontal line between (1, 2) and (7, 2).…

A:

Q: 2m A VA B m Sphere A of mass 2m initially moving with velocity va = 6 ft/sec collides with sphere B…

A:

Q: A spaceship whose rest length is 406 m has a speed of 0.83c with respect to a certain reference…

A: Given: The rest length of spaceship is L=406 m. The speed of spaceship relative to reference frame…

Q: A car accelerates uniformly from zero to 12 m/s^2 in 8 seconds staring from rest. During the next 4…

A:

Q: The same experiment on uniformly accelerated motion was performed. See figure below for the set-up.…

A: The values of distance and time is                             Distance (cm)…

Q: You bail out of a helicopter and pull the ripcord of your parachute. Now the air resistance…

A:

Q: 6. Consider the velocity-time graph shown below. Which section has the smallest v (m/s) 4 3 لی 2 1…

A: The velocity is a vector quantity. It has both magnitude and direction. The negative value of…

Q: A car moved past a radar speed gun at 19 m/s. It passed a second radar gun 59 m from the first one…

A: Acceleration: The acceleration is given by the rate of change of velocity.  Let the car start moving…

Q: During take off, an airplane goes from 0 to 50 m/s in 8 s. c) How far has it traveled by the time…

A:

Q: A runner wants to finish a 400 m race in 59.7 seconds. He accelarates from rest and attained his…

A:

Q: 1. A car starts from rest and is given a uniform acceleration of 3m/s?. Find a) the distance…

A: The uniform acceleration of the car is, The car starts moving from the rest condition, so the…

Q: e velocity v of a mass m in fall subject to an air resistance proportional to the instantaneous…

A: Solution: Consider a differential equation describing the velocity v of mass m given as: mdvdt=mg-kv…

Q: You are riding ina bus moving slowly through heavy traffic at 4.0 m/s. You hurry to the front of the…

A: Given data: The speed of me relative to the bus, vmb=6.0 m/s. The speed of the bus relative to the…

Q: we use meters “per” second when calculating speed?

A: To answer this question, We will have to define speed. Speed: the distance travelled in a unit time…

Q: A car traveled at a rate of 50 km/hr for 8 minutes and then at 25 km/hr for 7 min and finally at 20…

A: Given that,Speed in first Journey : s1=50 km/hrTime in first Journey : t1=8 minutes = 860 hoursSpeed…

Q: The position of a particle as a function of time is given Part C by7 (6.4 i+ 3.1 3)t m, where t is…

A: Recall V→=dr→/dtWhere r → is position vector of particle.

Q: Answer: VA -6 m/s, VB = 2 m/s = A E B D Datum SB 2 m/s

A:

Q: A particle moves along the x-axis, its coordinate x = -6t + 5t* varies with time according to the…

A: The velocity of an object is the rate of change of its position with respect to time Hence, v =…

Q: x - coordinate: x = -5.00sinwt, where w is constant, x is meters, and t is seconds y - coordinate: y…

A: Velocity Vx=dx/dt  =-5wcoswt  Vy=dy/dt  =5wsinwt

Q: Steve drives home from his other triends house near Seattle. a distance of 103 miles On the way home…

A: Let t be the total time taken to travel D=103 mi.  Express the distance, D1, travelled with a speed…

Q: If you were to drop a large log over the edge of the Grand Canyon and it took 3.21 seconds to hit…

A: we use the formula v=u+gt