6. The motion of a body moving vertically upwards is defined by the equation y = 47.04t – 4.90t2, where y is in meters and t is in seconds. Determine the maximum height attained by the body.
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- What is E and F?? Please help!tcos(angle) x-x0 1.4 28 1.8 36 2.1 42 2.2 45 2.15 44 1)plot a graph of x-x0 vs tcos(angle) 2)Find the value of the initial speed. Show your steps of calculation. Compare the value of initial speed obtained and the value used in the simulation.d) the maximum magnitude of the acceleration (m/s2)
- 1. A particle moves according to the equation x = 2t³ - 2t + 1, where x is in meters and t in seconds. (a) Find instantaneous acceleration as a function of time. (b) Find the value of the instantaneous acceleration at t = 3.5 s.Please AsapA cart is propelled over an its greatest y coordinate? xy plane with acceleration components a, = 6.8 m/s? and a, = -1.5 m/s2. Its initial velocity has components Vox = 7.3 m/s and voy = 12.4 m/s. In unit-vector notation, what is the velocity of the cart when it reaches Number Units
- Current Attempt in Progress A particle moving in the x-y plane has a velocity at time t = 6.82 s given by (5.2i + 3.7j) m/s, and at t = 7.04 s its velocity has become (5.42i + 3.80j) m/s. Calculate the magnitude a of its average acceleration during the 0.22-s interval and the angle it makes with the x-axis. Answers: a = i m/s² 0 = i OTwo children are playing on two trampolines. The first child can bounce up one-and-a-half times higher than the second child. The initial speed up of the second child is 5.3 m/s. ▼ Part C ▼ Part A t₁ = ▼ Find the maximum height the second child reaches. Express your answer using two significant figures. 5 ΑΣΦ 195| ΑΣΦ 4 h₂ = Submit Part B X Incorrect; Try Again; 6 attempts remaining Previous Answers Request Answer U1 = How long was the first child in the air? Express your answer using two significant figures. What is the initial speed of the first child? Express your answer using two significant figures. G| ΑΣΦ CINC C ? S DINO ? ? m m/sAn object started to slide down from rest along an inclined surface with a net acceleration of 8.4 m/s?. find the distance (in units of m) covered by the object in 7.1 s. a Select one: OA 211.7 OB. 29.8 OC 105.9 OD. 59.6 OE 423.4 Activate Windows Go to Settingsto v page Next page ENG 43 UK 5/2
- On a fishing trip on Lesser Slave Lake you drive your motorboat north at 20.0 km/h for 30.0 minutes. After realizing that you passed your fishing spot, you turn south and travel at 35 hm/h for 10.0 minutes. Determine your average. a) speed for this trip. [24km/h] b) velocity for this trip. [ 6.3 hm/h, North]Classify each quantity as a scalar quantity or vector quantity. Answer choices may be used more than once. 1. average velocity 2. distance 3. position 4. speed 5. displacementA woman stands at the edge of a cliff and throws a rock horizontally over the edge with a speed of v, = 19.5 m/s. The rock leaves her hand at a height of h = 49.0 m above level ground at the bottom of the cliff, as shown in the figure. Note the coordinate system in the figure, where the origin is at the bottom of the cliff, directly below where the rock leaves the hand. (a) What are the coordinates of the initial position of the rock? (Enter your answers in m.) m Yo = (b) What are the components of the initial velocity? (Enter your answers in m/s.) Vox = m/s Voy m/s