更多“Someone must get directly acro…”相关的问题
第1题
Ich mache gern ______ der Insel ein Picknick.
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第2题
Transmittance spectra of the heat reflector were measured __________ the wavelength range of 300 nm to 2000 nm at normal incidence.
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第3题
Les énergies renouvelables sont également désignées par les termes « » ou « énergies propres ».
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第4题
A conical pendulum composed of a massless rope (length L) and a bob (mass m) is shown in Figure. How much is the period for the pendulum?
第5题
A mass m slides down along a circular track (radius R) from position A with no friction. When it arrives the position as figure, how much is the normal force N acted by the track?
第6题
A person stands on a bathroom scale in an elevator. When the scale reads only 75% of the person’s regular weight, he claims that the elevator must be moving downward. Is he right?
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第7题
Newton's laws can be used in any reference frame.
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第8题
A small block of mass m is released on a triangular block of mass M. If at the same time a force
is applied to M, m remains rest relative to M. (Assuming all surfaces are frictionless)
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