On a spacecraft, two engines are turned on for 794 s at a moment when the velocity of the craft has x and y components of v0x = 2030 m/s and v0y = 4430 m/s. While the engines are firing, the craft undergoes a displacement that has components of x = 4.05 x 106 m and y = 4.13 x 106 m. Find the (a) x and (b) y components of the craft's acceleration.
(a) for x component of acceleration of spacecraft,
given data :
initial velocity,v0x = 2030 m/s
time,t = 794 s
displacement,Sx = 4.05 * 10^6 m
using second equation of motion,
Sx = v0x * t + (1/2)*ax*t²
where ax is the x component of acceleration,
using the given data,
4.05 * 10^6 = 2030*794 + (0.5)*ax*794²
solving for ax
ax = 7.74 m/s²
thus the x component of acceleration is 7.74m/s².
(b) for y component of acceleration of spacecraft,
given data :
initial velocity,v0y = 4430 m/s
time,t = 794 s
displacement,Sy = 4.13 * 10^6 m
using second equation of motion,
Sy = v0y * t + (1/2)*ay*t²
where ay is the y component of acceleration,
using the given data,
4.13 * 10^6 = 4430*794 + (0.5)*ay*794²
solving for ay
ay = 1.95 m/s²
thus the y component of acceleration is 1.95m/s².
On a spacecraft, two engines are turned on for 794 s at a moment when the...
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