Based on the diagram below, answer the following question based on a roller coaster with a mass of 12 kg v-10 m's b 24.5 m's 100 m h-? 50 m 30 m What is the kinetic energy at point B? (assume no friction) None of these answers 8832J 8232J 8292J 10596J

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: a) If you want to arrive at a 125 miles far store in Atlanta in 2 hours and 15 minutes, how fast…

A: Given: The distance is X = 125 miles. The time t = 2 hrs 15 minutes.

Q: Lydia runs 400 meters to Elma’s house, turns around, and runs 400 meters back home. What is Lydia’s…

A: distance : length of path between initial and final position.

Q: #3. A & B. how to work the problem out?

A:

Q: the velocity of a person traveling along a straight hiking trail is given by the graph depicted. The…

A: Displacement is given by area of velocity time graph.

Q: The answer is 0.26 m, can someone please provide the steps on how to get this answer? Thank you in…

A: Given-

Q: Please solve and answer the question correctly please. Thank you!!

A: The speeder's speed with respect to the ground is calculated asvs​=33.9405m/sExplanation:Step 1:The…

Q: Joey starts riding his scooter from his apartment to campus. He thinks it would be fun to make a…

A:

Q: defines how fast an object moves O Velocity O Speed O distance O displacement L 0 Other:

A: Definition of rate of moving of an object :

Q: 3. The teapot with given power input is used to heat up water from 15°C to 95°C. Water has a mass of…

A: Power supplied (P)= 1200 WSpecific heat of teapot (C1) = 0.7 KJ/kg.°c Mass of teapot (m1) = 0.5…

Q: 4. If the force and the displacement is in the same direction, work is positive 5. If the force and…

A: 4. The expression for the work done is  W=F.dW=Fd cosθ where W is the work done, F is the force, d…

Q: An airplane starts at rest on a runway. It accelerates at 4.44 m/s², and travels 738 m before taking…

A:

Q: km in 8 hours. If the speed is increased by 250km/h, then the time taken by the plane to cover 9000…

A: We know that the relation between the speed and distance is given as  Speed = Distance time  if the…

Q: 4TE0 2a/ ; xdy +a 1 2 4T€, 2a J-a (x² + y²)3/2 1 (x² + y?) 3/2 4TE0 xV? + a² -а

A:

Q: tires run over them. The time between the two signals is 0.4 seconds. 1) Calculate the speed of…

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Q: a) How long does it take John to cover the distance if he does half the distance at 6.3 kilometers…

A: John is travelling with speed 6.3 km/hour half distance and at 1.2 km/hour half distance .  We know…

Q: Rewrite the statement: "Somebody is older than everybody." in the form ". that V x such

A: Given Information: The given statement is, somebody is older than everybody.

Q: Can you please solve the both question from the data given on the second picture. Please post just a…

A: Given Does the data from Data Table 1 for the displacement versus force indicate that the spring…

Q: ow did you use the RT equation which is RT= a+ b log2(n

A: Solution: THe reaction time equation is given below, RT=a+blog2n…

Q: Part A In (Figure 1), take qi = 29 µC and q2 = 16 µC. The force on q1 points in the -x-direction.…

A:

Q: While on a camping trip, a man would like to carry water from the lake to his campsite. He fills…

A: L = 1.67 ml = 0.0511 mDraw the free-body diagram of the system.

Q: 2. (R2) Certain fish, such as the Nile fish (Gr thereby producing the electric field in the water…

A: (a) Given: The area of the conducting tube is 1.0 cm2. The potential difference across the ends is…

Q: 50 40 30- 20 10- -10 10 20 30 10 Danny is a lifeguard and spots a drowning child 30 meters along the…

A:

Q: entz Force Force on current-carrying conductors in a magnetic field One conductor Magnet A EDD.C.…

A: magnetic force F= I→L×B→F=ILBsinθWhere I=currentL=lengthB=magnetic fieldθ=Angle between I and B

Q: Same situation as in the previous problem this time the magnet has mass 6.49 kg, the force pulling…

A:

Q: A boy tosses a coin straight up to 2.2 m. Suppose the height when the coin leaves his hand is 1.3 m.…

A: Initial height of the coin in boy's hand = 1.3 m The height of the coin when it tosses = 2.2 m 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: You arrive at a home to find a young man deceased in his bedroom at his parents home. His parents…

A: Answer:   As per the given data,

Q: picture/representation of the scenario

A:

Q: A train is moving with 72km/hr constant speed from one station to the other. The train is  50,000kg.…

A:

Q: Part A A 430 pF capacitor consists of two 18-cm-radius circular plates, insulated with polystyrene.…

A:

Q: Construct a truth table for the statement         ~( p v ~q)   The last column is for the final…

A: The truth table for a NOT or compliment operation:           a              ~a          F…

Q: Bob is a pitcher and knows that the fastest he can throw the ball is about ?0=34.1 m/s.v0=34.1 m/s.…

A:

Q: please help me this questions. Please select TWO options as your correct answers. TWO correct…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: A stone is thrown straight upward and it rises to a height of 3000cm. With what speed was it *…

A: a=g=Acceleration due to gravity=9.81 m/s2v=Final velocity=0u=Initial velocitys=Displacement=3000…

Q: You have obtained the following data in the lab: Time (s) - X axis Position (m) - Y axis 43 128 48…

A: Calculate the mean of the time. x¯=43+48+56+61+67+707=57.5 Calculate the mean of the position.…

Q: 2. (a) The figure below illustrates a racetrack near a refuelling station. route of car B (ii)…

A: (a) For car A:Initial velocity, uA = 80 m/sDistance between point X and refuelling station, d = 120…

Q: 2. The dimensions of the roof of the house are given. If the thermal conductivity of the roof is 0.8…

A: Use thermal resistance formula