After the driver first notices the obstacle, the car moves uniformly for a time interval t1−t0=t before the brakes are applied. Find the distance x1−x0 covered by the car in the time interval before the brakes are applied and after the driver sees the obstacle.
1 answer:
Answer:
V(t1-t0)
Explanation:
Moving 'uniformly' means constant velocity (speed). the formula for constant speed motion is
where,
V is speed
given in the statement :
change in time = t = t1-t0
let the constant speed be ' V '
disance = X = X1-X0
applying the above mentioned formula: V =
V = X/t
X = Vt
the distance X1-X0 = Vt =V(t1-t0)
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The object is standing still.
Answer:
999 V
Explanation:
Charge deposited on the capacitor
= current x time
= 2 x 10⁻³ A x 5 x 10⁻³
= 10⁻⁵ C
increase in volt = charge deposited / capacitance
10⁻⁵ / .1 x 10⁻⁶
= 10² V
= 100 V
voltage in the beginning = -1 V
voltage at the end
= -1 + 100
99 V .
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