Drag the slider to change the radius of the mirror. What is true of the focal length and the radius of the mirror? A) focal length = 1/2* radius of the mirror

Q: A hot dog vendor has fallen asleep on the job. When an earthquake strikes his 321kg hot dog cart…

A:

Q: If you drop a rock from a brigdge, how far does it fall in three seconds?  A: 3 meters B: 9.8 meters…

A: Distance travelled is given by,

Q: A pigeon is walking around a courtyard, looking for food. The pigeon walks 6 m west, 3 m north, 9 m…

A: The diagram representing the displacement of the pigeon is given below

Q: Please help me with questio d), e) and f)? Thanks.

A:

Q: Determine the following: 26. Reaction support at point A. O a. 0.58 KN (Downward Direction) O b.…

A:

Q: 1.2 m 10 m/s 30° d-

A: Given: Mass of the dart m = 0.020 kg launched at an angle θ = 30° (above the horizontal) initial…

Q: A truck starts from rest and reaches a speed of 60km/h in 3 minutes. The acceleration of the truck…

A: Given: Initial speed (u) = 0 m/s; Final speed (v) = 60 km/h = 60 x 5/18 = 50/3 m/s; time (t) = 3 x…

Q: Complete the view of the speedometer scale. 0 10 20 30 40 50 60 70 80 90100 BRIGHTO LIGHTS indicated…

A: What is the indicated speed in the speedometer scale?

Q: 6. If an object is dropped from the top of a ledge, what is the object's initial velocity?

A: Here, According to the question, the object is dropped. So, it’s basically free fall as no force is…

Q: Question 2.6

A: X(t)= at2+bt3 Where,  a=1.50 m/s2   and   b= 0.05 m/s3 (a)  At  t=0s   , X = X1 (Let) Put  t= 0  ,we…

Q: 1) Define the unit vector? What is the unit vector of the general vector: A = azî + a,ĵ + a,k and B…

A:

Q: part a incorrect please re do

A:

Q: The speed of a vehicle is 71 km / h . How much is this speed in S.I units ? choose a -150.86 m / s b…

A: Given that, Speed of vehicle = 71 km/h

Q: Please send me the question in 20 minutes it's very urgent plz find

A: An automatic car cruise control is capable of controlling the car speed at a constant speed…

Q: 10. Mr. Mangan runs 50 m north in 5 seconds, 50 m east in 7 seconds, and 50 m south in 3 seconds.…

A:

Q: Please refer to the plot below which represents the one-dimensional motion of an electric car. What…

A:

Q: An airplane starts from 24.5 m/s and accelerates at 18.3 m/s2. What is its speed at the end of a 518…

A: The given data are: u=24.5 m/sa=18.3 m/s2s=518 m Here, u is the initial speed, a is the…

Q: 3) An airplane accelerates at 3.00 m/s? from a velocity of 21.0 m/s over a distance of 535 m. What…

A: Given Data: The acceleration of an airplane is, a=3 m/s2 The initial velocity of an airplane is,…

Q: 5. C= A × B. (Note that vectors are in boldface.) (a) If A points in the +x direction, and B points…

A: a)                     Given                             Direction of A = +x…

Q: A man leans over the edge of a cliff and throws a rock upward at 4.9 m/s. Neglecting air resistance,…

A:

Q: he map below shows the paths walked by three different people. All three people start from point A…

A: Given, 1st person travels from point A to B 2nd person travels from point A to C 3rd person travels…

Q: An object is accelerating _________.  a. only when its speed changes. b. only when its direction…

A: Acceleration is vector quantity Depend on magnitude and direction both.

Q: 1. The mass difference between two isotopes is sometimes just a neutron mass. The spectrometer…

A: Consider two isotopes of the lead (82) are Pb204 and Pb205. Here, Pb205 > Pb204 Let the mass of…

Q: 3. Erin has 95 minutes to complete a test at school. The test starts at 1:59 PM and Susan has…

A: The exam starts at 1:59 PM  Erin has 95 mins to complete the test  so Erin has completed the test at…

Q: Consider Newton's second Law F = må . Solve for m.

A: The Newton's second law of motion is given as: F→=ma→. Here, F→ is the force on the object, which is…

Q: Q21) A rock is thrown downward with - 12 m/s from a bridge and strikes the ground in 2 seconds, Find…

A:

Q: A ball rolls downhill with a constant acceleration of 4 m/s2. If it started from rest, how long will…

A: v=u+att=v-ua

Q: An object started to slide down from rest along an inclined surface with a net acceleration of 4.2…

A:

Q: 2. A 2 kilogram ball is being dropped from a roof that is 15 meters off of the ground. What is the…

A: Given that:-Mass, m=2 kgdistance, S=15 mg=9.8 m/s2=au=0

Q: 15. How long does it take to drive a distance of 260 miles at a speed of 65mph?

A:

Q: Prove that the specific heat capacity of the metal, c1 can be written|as C̟m, (Tg – T;) m (T; –T3)…

A: According to principle of calorimetry, there is no heat loss in the surrounding. The total amount of…

Q: 7. Mr. Mangan runs 50 m south in 1.5 seconds. What is his speed? What is his velocity?

A: Given,Mr. Mangan runs 50 m soth in 1.5 seconds

Q: 3. A boulder rolls over a 50m high cliff. How fast was the boulder moving if it was found 180 m on…

A:

Q: 7. The tendency of an object to resist any attempt to change its velocity Your answer

A: The tendency  of an object  to resist the motion change is interia

Q: Determine the repelling force between Q1 and Q2 Q1= 10 C Q3 = -25C 20° 45° 15 m Q2 = 15 C

A: Electrostatic force F = kQ1×Q2/r^2 K= 9×10^ Nm^2/C^2 r= distance between two charges

Q: An airplane starts from 17.8 m/s and accelerates at 11 m/s2. What is its speed at the end of a 340 m…

A: Given data: Initial velocity, u=17.8 m/s Acceleration, a=11m/s2 Distance, s=340 m We have to find…

Q: A car travels with an average speed of 8.00 meter/second. A. What is the speed in km/s? B. What is…

A: Given:-  A car travels with an average speed of v =  8.00 meters/second. Find:- A) What is the speed…

Q: * Prove AEz0 whichis EsKEr PE Mgh

A: Given that:- Total energy is equal to sum of kinetic energy and potential energy.

Q: A train boxcar is rolling along a track, headed east at 10 mph. It hits a west-bound pair of cars…

A: Given data: Speed of train boxcar is, u=10 mph. Speed of bound cars is, u'=2 mph. Speed of boxcar…

Q: Whats the resultant velocity of an airplane that normally flies at 235 Im/h if it encountered a 60…

A: Given that,Velocity of airplane : va = 235 (km/h)Head wind velocity : vw = 60 (km/h)Here we need to…

Q: 9. A motorboat travels across a 132 foot wide river at 7 mi/h directed 18 degrees into a 3 current.…

A: Givenwidth of river=132 ftvelocity of motorboat, v=7 mi/hAngle, θ=18°Velocity of current=3 mi/h

Q: 5m 02 T2 T1 4 m 3 m 500 N

A: