Answer:
1. a = 8m/s²
2. a = -5m/s²
3. a = 3m/s²
4. a = 250/3 m/s² = 83.3333 m/s² (if you're required to comply with significant figures: 80 m/s²)
5. a = 214/195 m/s² = 1.0974 m/s² (if you're required to comply with significant figures: 1.1 m/s²)
Explanation:
1.
a = (v-v_0)/t
a = (26m/s-10m/s)/2s
a = 16m/s/2s
a = 8m/s²
2.
a = (10m/s-25m/s)/3s
a = -15m/s/3s
a = -5m/s²
3.
a = (30m/s-0m/s)/10s
a = 30m/s/10s
a = 3m/s²
4.
a = (10000m/s-5000m/s)/60s
a = 5000m/s/60s
a = 250/3 m/s² = 83.3333 m/s² (if you're required to comply with significant figures: 80 m/s²)
5.
a = (54.8m/s-12m/s)/39s
a = 42.8m/s/39s
a = 214/195 m/s² = 1.0974 m/s² (if you're required to comply with significant figures: 1.1 m/s²)
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Answers & Comments
Answer:
1. a = 8m/s²
2. a = -5m/s²
3. a = 3m/s²
4. a = 250/3 m/s² = 83.3333 m/s² (if you're required to comply with significant figures: 80 m/s²)
5. a = 214/195 m/s² = 1.0974 m/s² (if you're required to comply with significant figures: 1.1 m/s²)
Explanation:
1.
a = (v-v_0)/t
a = (26m/s-10m/s)/2s
a = 16m/s/2s
a = 8m/s²
2.
a = (v-v_0)/t
a = (10m/s-25m/s)/3s
a = -15m/s/3s
a = -5m/s²
3.
a = (v-v_0)/t
a = (30m/s-0m/s)/10s
a = 30m/s/10s
a = 3m/s²
4.
a = (v-v_0)/t
a = (10000m/s-5000m/s)/60s
a = 5000m/s/60s
a = 250/3 m/s² = 83.3333 m/s² (if you're required to comply with significant figures: 80 m/s²)
5.
a = (v-v_0)/t
a = (54.8m/s-12m/s)/39s
a = 42.8m/s/39s
a = 214/195 m/s² = 1.0974 m/s² (if you're required to comply with significant figures: 1.1 m/s²)