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CALCULATING ENERGY AND PROPERTIES OF MATTER. W = ? F = 10 N d = 300 m. W = 3000 Nm. v = ? d = 500 km t = 20 hr. v = 25 km/hr. P = ? W = 50 Nm t = 25 sec. P = 2 w. a = ? ∆v = 30 m/sec. t = 20 sec. a = 1.5 m/sec./sec. GPE = ? m = 5 kg h = 10 m. GPE = 500 J (rounded off). - PowerPoint PPT Presentation
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CALCULATINGENERGY AND PROPERTIES
OF MATTER
W = ?F = 10 Nd = 300 m
W = 3000 Nm
v = ?d = 500 kmt = 20 hr.
v = 25 km/hr.
P = ?W = 50 Nmt = 25 sec.
P = 2 w
a = ?∆v = 30 m/sec.t = 20 sec.
a = 1.5 m/sec./sec.
GPE = ?m = 5 kgh = 10 m
GPE = 500 J (rounded off)
KE = ?m = 100 kgv = 20 m/sec.
KE = 20,000 J
v = 25 m/sec.d = 100 mt = ?
t = 4 sec.
W = 2000 NmF = ?d = 500 m
F = 4 N
a = 60 m/sec./sec.∆v = ?t = 20 sec.
∆v = 1200 m/sec.
W = 500 NmF = 100 Nd = ?
d = 5 m
v = 100 cm/min.d = ?t = 5 min.
d = 20 cm
P = 150 wW = 450 Nmt = ?
t = 3 sec.
GPE = 980 Jm = 10 kgh = ?
h = 10 m
P = 300 wW = ?t = 30 sec.
W = 9000 J
KE = 1000 Jm = ?v = 10 m/sec.
m = 20 kg
a = 25 km/hr./hr.∆v = 75 km/hr.t = ?
t = 3 hr.
GPE = 490m = ?h = 100 m
m = 0.5 kg
KE = 40,000 Jm = 200 kgv = ?
v = 20 m/sec.