5. Find the kinetic energy of a 70-kg runner who covers 400 m in 45 s at constant speed.

Q: ax 15. Rearrange E to solve for (v). v = taxd tad v = а. с. d. v= tax b. v = tar v² = xdt to solve…

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Q: ce The figure shows two vectors, A and B, with A = 14.6 m, B = 4.58 m, 0 = 33°, and = 38°. Let C =…

A: Given,  A= 14.6m B= 4.58m  θ=33°  ϕ=38°

Q: Consider the vector sum č = Ả – B{2 Vectors à and Č are shown below. Choose the arrow that…

A: Vectors A and C are shown in the figure. The relation between the vectors is : C→ = A→ - B→2

Q: Find the angle between vectors for (a)D= (-3.0i – 4.0j ) m and A = (-3.0i + 4.0j ) m and (b) D =…

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Q: 1. Considering a unit vector u4 = A / A, which of the following are properties of u,? (circle all…

A: As per guidelines only first question is solved here.

Q: One of the main speed tests in athletics is the 400 meters dash. At the 1999 Seville World…

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Q: 6. t cgclist cides 4.0 fm due east, then n.0km 21° west of northe From this point she rides 4.0 tm…

A: Let the three displacements be denoted by vectors A, B and C.

Q: The grid runs from -5 to 5 on both axes. Drawn on this grid are four vectors, labeled A⃗ A→ through…

A: Introduction: Vectors are the quantity which require both magnitude and direction for its…

Q: A block attached to a 15 N/m-spring constant spring moves on a frictionless horizontal surface, its…

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Q: l.67 Ka info ma 3.296X10 Km into mm.

A: Step 1: Part (2) 1 kg=106 mg8.76 kg=8.76 kg×106 mg1 kg8.76 kg=8.76×106 mg Thus, there are 8.76X106…

Q: kg, m2 = 70 kg, and m3 = 50 kg, (A) find a if the table is frictionless, (B) find a if µg= 0.20, (C)…

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Q: A car is traveling at a speed of 31 m/s. a. What is its speed in kilometers per hour? b. Is it…

A: Given data: Speed of the car is, v = 31 m/s Formula used: Conversion of speed from meter per second…