A box is being accelerated

Why is there a minus sign in the formula Î”p/Î”t = âˆ’Î”EP/Î”s?Answer a. Objects are accelerated to higher
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A 1.0kg box on a horizontal frictionless surface is accelerated by attaching and hanging a 1.5 kgmass over a pulley. What is the
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2. asked by wow
3. 466 views
A 19 g bullet is accelerated in a riﬂe barrel70.6 cm long to a speed of 506 m/s. Use the work-energy theorem to ﬁnd the
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2. asked by Ted
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An 8.4 g bullet is accelerated in a rifle barrel 45 cm long to a speed of 1020 m/s.Use the work-energy theorem to find the
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2. asked by Bob
3. 758 views
An 18 g bullet is accelerated in a riﬂe barrel61.7 cm long to a speed of 362 m/s. Use the work-energy theorem to ﬁnd the
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2. asked by Domingo
3. 635 views
A 22 g bullet is accelerated in a rifle barrel 43.2 cm long to a speed of 907 m/s.Use the work-energy theorem to find the
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2. asked by Patrick
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A 20 g bullet is accelerated in a rifle barrel95.3 cm long to a speed of 801 m/s. Use the work-energy theorem to find the
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2. asked by go
3. 708 views
A 20 g bullet is accelerated in a rifle barrel95.3 cm long to a speed of 801 m/s. Use the work-energy theorem to find the
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2. asked by go
3. 567 views
A 20 g bullet is accelerated in a rifle barrel45 cm long to a speed of 354 m/s. Use the work-energy theorem to find the average
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2. asked by Madi
3. 1,415 views
A 12 g bullet is accelerated in a rifle barrel 69.2 cm long to a speed of 864 m/s.Use the work-energy theorem to find the
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2. asked by luma
3. 689 views