1.What is a light sensor and an infrared sensor? Describe its similarities and differences? 2.Discuss the similarities and differences of sound sensor and ultrasonic sensor. 3.In your opinion, which sensor can be very useful to disaster preparedness? Explain further

Q: .. 2.9 A plane lands with a velocity of 325 ft/s. If it needs to stop in a distance of 9500 ft, what…

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Q: After firing an object at any angle between 0 and 90 degrees, the component at and the final speed…

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Q: Average velocity between t=0 and t=2

A: The position of dot at t=0s and t=2s are

Q: 3.39 You leave your house and walk 10.0 m east. At that point, you turn nor and walk 6.8 m. After…

A: 10m east  6.8m north  15m 45° south of  west  Imagine x axis along east and west  Y axis along North…

Q: R4 R3 RS 20 R2 50 R8 R6 R7 30 40 R1 R9 R10 10 0 50 20 0 R11 BAT 40 12 V

A: R4 and R5 are in parallel , R45 = 8×2(8+2)= 1.6 ohm R345 = 6+1.6= 7.6 ohm

Q: SOLVE: Now you are ready to figure out the three quantities you were charged with calculating. For…

A: The gravitational force between any two massive objects is given by Newton's law of gravitation as…

Q: 2-59. If F=5 kN and 0 = 30°, determine the magnitude of the resultant force and its direction,…

A: Given,F = 5 kNθ = 30°

Q: comparison between distance travelled and magnitude of displacement

A: When we recognize path length when travelling from one point to another, distance and displacement…

Q: 8. A stone is dropped from the top of a building(v 0). It hits the ground after 2.0 s. The height of…

A: Given data : Time is represented by t Initial velocity is represented by vo Acceleration due to…

Q: a boat leaves a dock at 2:00 p.m., heading west at 15 km/h. Another boat heads south at 12 km/h and…

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Q: a) The Blue Team (left) and Red Team (right) are playing tug of war over the candy chest. In the…

A: 1) Since the acceleration is towards right , therefore to increase the value of a , the team members…

Q: 3-74 A 6-m-high, 5-m-wide rectangular plate blocks ihe end of a 5-m-deep freshwater channel, as…

A: The forces acting on the ridge can be calculated using given steps:

Q: 27 ILW A certain airplane has a JITOLO spéed of 290.0 km/h and is diving at an angle of e = 30.0°…

A: (a) The decoy can be considered as a projectile. The equation for the horizontal component of the…

Q: Axis -x= ?— -L- FI I میرے F

A: The position of the rod is shown below.

Q: Four small spheres of equal mass m, two with a charge +q, and two uncharged are connected by…

A: Velocity is maximum when electrostatic potential energy is minimum, ie, when the string is straight.

Q: 2-17. If the resultant force of the two tugboats is 3 kN, directed along the positive x axis,…

A: From the figure, FB2=FA2+Fresultant2-2FAFresultant cosϕ   Substitute, FB2=2 kN2+3 kN2-22 kN3 kN…

Q: If the velocity V(t) = 20+4t, find the speed and the acceleration at t=2s. %3D OA) 28 m/s & zero

A: Given  Velocity V=20+4t

Q: 2-30. If FB = 3 kN and 0 = 45°, determine the magnitude of the resultant force of the two tugboats…

A: Have a look dear

Q: 3-7. The towing pendant AB is subjected to the force of 50 kN exerted by a tugboat. Determine the…

A: Given Data : The force applied on string A is given as  FA = 50 KN. The angle between string D and…

Q: A projectile must be thrown vertically upward with a speed of reach a height of 12.0 m. m/s in order…

A: Given  height h=12 m

Q: Two muscles at the back of your leg, called lateral and medial heads of the gastrocnemius muscle,…

A: